CPUs
Neptune
Neptune and Uni seem to be good enough friends as a CPU and CPU candidate. The two had a Walletcrusher segment where the two share tastes in anime. Neptune finds Uni to be more open than her sister. Uni finds Neptune to be the one Nepgear takes care of. During a goddess dispute over popularity, Uni finds herself supporting her sister against the Neptune. As fellow Hyper Dimension goddess, they are friends.
Noire
Hyper Dimension
Uni and Noire are sisters. Uni tries to impress Noire and Noire is very good at putting on an act of an abosultely perfect sister. Uni did not know about Noire's insecurity due to having no friends until the true ending route of Hyperdimension Neptunia Victory. Uni finds herself supporting Noire whenever she gets into a petty contest with all the other goddesses which she does complain a bit about. Noire also has a tendency to leave Uni behind in times of crises but Uni is sure to do whatever it takes to get some action. Noire, during Vert's idol debut events has worked extra hard to create outfits for Uni. Uni is moved by her sister's devotion.
Compared to Neptune and Nepgear, Noire and Uni are the more inline together sharing similar personalities. Both of them are hardworking, prideful and aren't the most honest with their feelings. However, Uni is a bit more open than her sister. The two enjoy a good competition from each other and the Planeptune sisters. Uni and Noire are close family members.
Ultra Dimension
Uni is happy to have another Noire, though she knows it is not her sister. She still tries hard to impress her. However given two Noire's Uni considers this Noire to be "psuedo-Noire". Regardless Noire is happy to kind of have a little sister and tries to be a good older sister to Uni. Uni finds out about the truth of her sister with how this Noire is treated in the party, which is Noire is not flawless. The two are still close even if they are not true sisters.
Blanc
Hyper Dimension
Blanc and Uni do not interact much, however whenever the goddesses some sort of contests, Uni finds herself supporting Noire against Blanc. Even as competitors, the two have no grudge against each other. The two are fellow goddesses and will work together for the sake of Gamindustri.
Ultra Dimension
Blanc and Uni have worked together briefly to stop Rei Ryghts to save both dimensions. They also stopped Bamo and Regu together. The two are fellow goddesses and will protect Gamindustri no matter the dimension.
Vert
Hyper Dimension
Uni has found herself dragged into Vert's antics like a cosplay shoot and debutting as an idol. While she was not found of the cosplay, she enjoyed debuting as an idol with her sister. Uni finds herself at times supporting Noire against Vert in some sort of goddess competition. In the end, Vert and Uni has had fun in those antics and will happily work together to keep Gamindustri safe.
Ultra Dimension
Vert and Uni have worked together briefly to stop Rei Ryghts to save both dimensions. They also stopped Bamo and Regu together. The two are fellow goddesses and will protect Gamindustri no matter the dimension.
Plutia
Plutia and Uni have worked together briefly to stop Rei Ryghts to save both dimensions. They also stopped Bamo and Regu together. Uni kind of fears Plutia's transformation. The two are fellow goddesses and will protect Gamindustri no matter the dimension.
Peashy
Peashy and Uni have worked together briefly to stop Rei Ryghts to save both dimensions. They also stopped Bamo and Regu together. Peashy has given Uni a taste of her strength when Peashy tried to cheer her up about her sister leaving her behind by patting her with the standard Peashy strength. The two are fellow goddesses and will protect Gamindustri no matter the dimension.
Uzume Tennouboshi
Uzume and Uni start out to as bitter enemies as Uni saw Uzume as the one who kidnapped Noire and the rest of the goddesses. More importantly Uni knew Nepgear lacked the resolve to fight Uzume, so Uni took it to herself to demand answers to where their older sisters were.
After that encounter, the two start to get along a lot better. Uzume even understood why Uni was so harsh initially for Nepgear's sake. Uzume wants a casual friendship with Uni and does not want to use formalities with each other. Over time the two grew to be good friends.
CPU Candidates
Nepgear
Nepgear and Uni are best of friends like their sisters are. The two bonded strongly in the events of Hyperdimension Neptunia mk2 and its remake. Unlike their sisters, the two share a few traits. The two are of similar age. Nepgear has inspired Uni to get involved in her interest in guns. The two are fellow otaku, the former in machines, the later in guns. The two are the "indoorsy" kind of girls, they would rather spend money on games than on clothes or cafés.
Uni tries to one-up Nepgear with some success here and there but Nepgear always catches up. During, trying to one-up Nepgear in physical combat, Uni has became a masochist shocking her best friend. Nepgear has supported Uni when she was feeling down about her defeats against ASIC. Nepgear can get Uni to give into her with puppy dog eyes. Uni can sometimes get rid of Nepgear's tunnel syndrome. The two may sometimes bicker, but like their sisters, it only makes the two better friends.
Rom
Uni and Rom are fellow candidates. The two have worked together to regain their sisters and defeat the Deity of Sin, with a few antics such being idols and cosplay along the way. With that, they have become close, though they may not interact much.
Ram
Uni and Ram are fellow candidates. The two have worked together to regain their sisters and defeat the Deity of Sin, with a few antics such being idols and cosplay along the way. With that, they have become close, though they may not interact much.
Makers
Compa
Compa and Uni have worked together to rescue Uni's sister and the other goddesses and to ultimately stop ASICin Hyperdimension Neptunia mk2 and its remake. Compa has nursed Uni back to health after a diasterious encounter with CFW Brave. The two view each other positively.
IF
IF and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia mk2 and its remake. The two view each other positively.
Nisa
Nisa and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia mk2. The two view each other positively.
Gust
Gust and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia mk2. The two view each other positively.
Red
RED and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia Re;Birth2. The two view each other positively. RED considers Uni to be her wifey and managed to borrow a bad model gun from her. Uni is surprised how Red was able to completely vaporize a dogoo with a single shot.
Broccoli
Broccoli and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia mk2 and its remake. The two view each other positively.
5pb.
5pb. and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia Re;Birth2. The two view each other positively.
Cave
Cave and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia mk2 and its remake. The two view each other positively. Cave has asked Uni about how to get a cute smile. Uni was able to deduce the question to how do I be cute. Uni demonstrates with a cute pose, smile and catchphrase. Cave finds it hilarious while Uni did not like how Cave did not try to embrassass herself as well.
Falcom
Hyper Dimension
This Falcom and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia Re;Birth2. The two view each other positively.
Ultra Dimension
This Falcom and Uni have met and assisted Neptune and her Ultra Dimension adventures. Uni finds this Falcom to be quite similar to her Falcom when she looks at Falcom closely. Falcom finds this a compliment, as she wants to be like her counterpart and thanks her. The two view each other positively.
CyberConnect2
CyberConnect2 and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia Re;Birth2. Uni views CyberConnect2 as surprisingly slender and gets jealous because of that. Uni then tickles CyberConnect2 for payback. The two view each other positively.
MarvelousAQL
Hyper Dimension
MarvelousAQL and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia Re;Birth2. The two view each other positively.
Ultra Dimension
Uni is jealous of Marvy's amazing bust. Marvy, to cheer her up suggests she eat some futomaki with her. Marvy just wanted to eat some futomaki and cheer her friend up, because futomaki made Blanc happy. Uni thinks this is how Marvy got her bust and is thinks with futomaki, she will beat not only her sister's bust but Vert's as well.
Tekken
Tekken and Uni have worked together to resuce Uni's sister and the other goddesses and to ultimately stop ASIC in Hyperdimension Neptunia Re;Birth2. Afterwards in the Ultra Dimension, Tekken wants to train with Uni. Uni agrees because this will be her chance to surpass Nepgear is close quarter combat. Tekken decides to train Uni with the same regimen that turned her into a masochist. She made Uni endure the hot, the cold, catch her own food and fight bears and other big creatures with nothing more than Uni's own hands. After all that, Uni became a masochist enjoying Nepgear's punches shocking her friend.
Oracles
Histoire
Uni has assisted Histoire is stopping ASIC, Rei Ryghts and most other troubles Gamindustri faces. In fact, Uni takes more orders from Histoire directly than from Kei. The two view each other positively.
Kei Jinguji
Kei and Uni are candidate and oracle. Kei was unable to bond well with Uni due to the fact that Kei's tough business demanor makes it hard for people to like her. Mina suggested Kei give gifts, a concept that she considers a bribe but Mina insists that giving things once in a while will make Uni like her. It works and Uni enjoys Kei's change but she still maintains her business demanor. The two have some sass with each other but get along well enough.
Mina Nishizawa
Uni assists Mina and the other oracles in stopping ASIC to save Gamindustri. The two view each other positively.
Chika Hakozaki
Uni apparently met Chika before the events of Hyperdimension Neptunia mk2 and its remake. Due to this Uni was able to reveal that the Chika originally occupying Leanbox was a fake. Uni then assists Chika and the other oracles in stopping ASIC to save Gamindustri. The two view each other positively.
Antagonists
Linda
Uni has constantly foiled Linda's ASIC schemes. The two dislike each other.
Warechu
Uni has constantly foiled Warechu's plans for ASIC. The two also dislike each other.
CFW Judge
Uni and her party defeats CFW Judge to save her sister and the other goddesses. CFW Judge simply wanted to kill everyone and failed. The two dislike one another.
CFW Brave
Uni was defeated by Brave earlier and eventually came up on top with the help of her friend, Nepgear and everyone else. Uni and Brave both want to make children happy with different means. In the end, Brave agrees with Uni's method and entrusts his will with her and he is destroyed by Uni and her party. From beyond the grave, Brave has sought permission from Noire and Kei to marry Uni. Surprisingly the two are quite close despite being enemies. Uni even hesitated to destroy a resurrected Brave, but Brave's soul helped her get rid of that hesitation.
CFW Trick
Uni destroyed this enemy with her party. The two dislike each other.
CFW Magic
Uni destroyed this enemy with her party despite losing once to her first. The two dislike each other.
Deity of Sin
Uni finds the Deity of Sin a huge threat which must be stopped. She and her friends comes out on top. The two dislike each other.
Rei Ryghts
Hyper Dimension
Uni wanted to ask Rei some questions about the Citizen's Group but with her powers she pushed Uni back. She looks down on Uni as a mere candidate. Uni was not sure what happened. As time went on, Rei became a threat and Uni assisted the all the goddesses in stopping her. Afterwards Rei forgets all about Uni due to forgetting all the events prior to gaining her counterpart's power.
Ultra Dimension
This Rei managed to come at the end to help Uni and the other goddesses defeat her crazed counterpart. The two do not hate each other or like each other but they did share similar goals once.
Croire
Croire inconvienced Uni and the others with the Rei Ryghts incident. Uni and Croire probably dislike one another.
Bamo
Uni foiled Bamo's plan to create a Sociomobilindustri. Uni is willing to let her off to a southern continent. The two are no longer enemies but not friends either.
Regu
Uni foiled Regu's plan to create a Sociomobilindustri. Uni is willing to let her off to a southern continent. The two are no longer enemies but not friends either.
Steamax
Uni is the one of the only few people barring Affimojas to notice Steamax with very little effort. In addition to that, Uni is the only girl Steamax can talk to without shying away. As a result, the two got along. Over the course of Hyper Dimension Neptunia G, Uni and Steamax met while Steamax was doing AffimaX missions. This put Steamax in awkward situations where he had to use quick thinking giving Uni the wrong idea of what was going on making himself seem silly. Uni does not seem to mind and let him go.
Uni helps Steamax with his issues right before the CPUs raid AffimaX's base. In doing so, Steamax decides to be honest and apologizes. Uni learns what he means when she fights the ninja in the base. Uni convinces Steamax to back down after being defeated so the CPUs aren't forced to destroy Steamax. In doing so, Uni convinces Steamax to stop lying so much and the two, no longer enemies become friends.