As of October 8, 2026, Kotone Shiomi is the officially announced new character coming to Persona 5: The Phantom X. The current official notices also name Cosmic Yui (Bui) in a contract ending October 15 and announce return contracts for Makoto Yuki, Yukari Takeba, and Akihiko Sanada. Those returns are not first-time debuts.
Officially announced new debut: Kotone Shiomi
Atlus announced a Persona 3 Portable collaboration on September 15, 2026, and confirmed that Kotone Shiomi, that game’s female protagonist, makes her debut in Persona 5: The Phantom X. The announcement’s wording is: “Persona 3 Portable’s female protagonist, Kotone Shiomi, makes her debut in Persona5: The Phantom X!” Read the official P3P collaboration announcement.
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The Ver. 4.10 update notice ties Kotone’s contract to the P3P event and lists the event and contract through November 12, 2026, at 1:59 a.m. UTC. That is the advertised window in the cited notice, not a permanent availability date. See the Ver. 4.10 update information.
Characters named in the latest official announcements
| Character | Status as of October 8, 2026 | What the announcement establishes |
|---|---|---|
| Kotone Shiomi | Announced debut; event and contract listed through November 12, 2026, 1:59 a.m. UTC | Persona 3 Portable protagonist making her P5X debut; the cited notices do not fully specify her gameplay details. |
| Cosmic Yui (Bui) | September contract advertised through October 15, 2026, 1:59 a.m. UTC | Announced as a 5-star Nuclear Assassin. The notice describes Veggie Knights, follow-up attacks, buffs, and healing. |
| Makoto Yuki | Return announced | Named for a return in Most Wanted Phantom Idol Contracts; this is not an announced first appearance. |
| Yukari Takeba | Return announced | Named for a return in Most Wanted Phantom Idol Contracts; this is not an announced first appearance. |
| Akihiko Sanada | Return announced | Named for a return in Most Wanted Phantom Idol Contracts; this is not an announced first appearance. |
Cosmic Yui’s contract notice gives a run from the end of maintenance on September 9 until October 15, 2026, at 1:59 a.m. UTC. Its status is therefore current or recently available within that stated period, not a future debut. The official Cosmic Yui contract announcement describes her as a Nuclear Assassin and outlines her support for follow-up attacks, buffs, and healing.
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Returning characters are not new debuts
The P3P collaboration announcement also says Makoto Yuki, Yukari Takeba, and Akihiko Sanada will return in Most Wanted Phantom Idol Contracts. It establishes a return opportunity, not a first appearance in P5X. The notice names the characters but does not, in the material cited here, establish a separate return window for each one.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What “confirmed” means in this guide
Here, confirmed means named in a dated official P5X announcement or update notice. It excludes rumors, datamines, wish lists, and assumptions based solely on appearances in another Persona game. “Upcoming” applies to an announced debut that has not yet reached its advertised end date; a current or recently run contract and a returning character are labeled separately.
These notices do not amount to a complete roster covering every playable character, story-only role, region, or game version. They also do not verify a total character count. The official P5X homepage describes the game as a PC and mobile title, while the cited character announcements concern in-game contracts.
Quick Recap
Why release timing can differ by region
P5X content timing can vary between regions. An August 15, 2025 letter from the operations team said Japanese and Western versions were planned to receive content roughly six months after its initial release. That was historical planning context, not a guarantee that every future character or banner follows the same delay. Check the official notice for the specific region and version you play, and confirm the live contract dates in-game before planning around a banner. See the operations-team letter.
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