This page lists all of Older Neptune's costumes in Neptunia & Friends.
List of costumes
| Name | Price | Notes | Image |
|---|---|---|---|
| Black Parka Dress | ¥650 | Older Neptune's signature costume. |  |
| Scarlet Plum Shrine Maiden | ¥480 | A Shrine Maiden costume.
Made available permanently on 2025 April 3. |
 |
| Lost Purple | ¥??? | Purple Heart's signature costume as part of a costume swap series.
Became sold regularly from 2025 April 3 to February 2026, and was made available permanently on 2026 March 1. |
 |
| Colorful Drop | ¥??? | Older Neptune's kimono.
Made available permanently on 2025 April 3. |
 |
| Mummy Witch | ¥??? | Older Neptune's Halloween costume.
Made available permanently on 2026 March 1. |
 |
| Suspended Suit | ¥??? | Uzume's default costume as part of a costume swap series.
Made available permanently on 2026 March 1. |
 |
| Dark Angel | ¥??? | A costume inspired by the dark angel. |  |
| Military Snow White | ¥??? | A winter costume.
Made available permanently on 2026 March 1. |
 |
| Cherry Blossom Shrine Maiden | ¥??? | Older Neptune's second Shrine Maiden costume.
Made available permanently on 2026 March 1. |
 |
| Gold Lily Wedding | ¥??? | Older Neptune's wedding costume.
Made available permanently on 2026 March 1. |
 |
| Botanical Swim | ¥??? | Older Neptune's swimsuit.
Made available permanently on 2026 March 1. |
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| Nep Jiangshi | ¥??? | Older Neptune's jiangshi costume for Halloween.
Made available permanently on 2026 March 1. |
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| Dark Chocolaat | ¥??? | Older Neptune's Valentine's Day costume. |  |