{"rewrite":{"id":"r_5b02b0f59cdff1eb8f03f32e","clusterId":"c_8fc580db75b16796703b2eeb","slug":"nakano-personality-transplant-laboratory-hands-on-reveals-body-switching-mystery-loop","model":"deepseek-v4-1-flash","headline":"Nakano Personality Transplant Laboratory Hands-On Reveals Body-Switching Mystery Loop","summary":"At OSAKA INDIE GAMES SUMMIT 2026 on October 3 and 4, Menya Spice Tokyo Branch showed a demo of Nakano Personality Transplant Laboratory, a PC mystery adventure set for release in 2027. After a researcher disappears, the story advances in a 15-minute loop. Players possess suspects to widen what they can explore, gathering clues for meetings presided over by a researcher named Oliver.","whyItMatters":"The possession mechanic is a structural bet, not a cosmetic one: who you inhabit decides which rooms and evidence you can reach, so the full version's promise of choosing your target turns one investigation into several different ones.","webCardHtml":"\u003cp\u003eNakano Personality Transplant Laboratory runs on a 15-minute loop, the same short-scenario structure the team used in the 2025 adventure game Aiai Kissaten. In the demo, protagonist Mamiya Kamome boards a research ship and meets a crew of researchers, among them Umekoji Ayano, Oliver, whose head is a glass container holding a mouse, Yotsuya Yu, and the taciturn Kakiike Ko. When Kakiike is attacked, the player investigates and presents evidence in a meeting overseen by Oliver.\u003c/p\u003e\u003cp\u003ePossessing Umekoji changes more than the sprite on screen. Her height lets the player reach high shelves, she can enter the women\u0026#39;s bath, and she can enter the Umekoji Group laboratory, which only group members may use. The full version will let players choose whom to possess, and each host yields different information.\u003c/p\u003e","blueskyPost":"Nakano Personality Transplant Laboratory, a PC mystery adventure from Menya Spice Tokyo Branch, ran a demo at OSAKA INDIE GAMES SUMMIT 2026. The story loops in 15-minute cycles, and who you possess decides which rooms and evidence you can reach. Release is set for 2027.","twitterPost":"Menya Spice Tokyo Branch demoed Nakano Personality Transplant Laboratory at OSAKA INDIE GAMES SUMMIT 2026. The PC mystery adventure loops in 15-minute cycles; possessing a researcher changes where you can go and what you can find. Release planned for 2027.","threadsPost":null,"newsletterBlurb":"Menya Spice Tokyo Branch brought Nakano Personality Transplant Laboratory to OSAKA INDIE GAMES SUMMIT 2026, with a PC release planned for 2027. The mystery adventure runs on a 15-minute loop and has players possess suspects after a researcher goes missing. In the demo, possessing Umekoji Ayano lets the protagonist reach high shelves and enter spaces closed to others, and the full version will let players pick their host.","attributionJson":"[{\"source\":\"4Gamer.net\",\"url\":\"https://www.4gamer.net/games/949/G094993/20261004012/\",\"title\":\"Hands-on with the mystery ADV \\\"Nakano Personality Transplant Laboratory\\\": Where you can explore expands depending on the gender and affiliation of the researcher you possess [OIGS2026]\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4693,"outputTokens":698,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791166460,"createdAt":"2026-10-05T02:09:30.000Z","publishedAt":"2026-10-05T02:13:20.000Z","updatedAt":"2026-10-05T02:13:20.000Z"},"cluster":{"id":"c_8fc580db75b16796703b2eeb","canonicalTitle":"推理ADV「ナカノ人格移植研究所」を試遊。乗り移った研究員の性別や所属によって，探索できる場所が広がっていく［OIGS2026］","representativeArticleId":"a_058d9d47e44a408d2ce3c612","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"ナカノ人格移植研究所\"],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-05T00:20:00.000Z","lastSeenAt":"2026-10-05T00:20:00.000Z","updatedAt":"2026-10-05T02:13:20.000Z"},"attribution":[{"source":"4Gamer.net","url":"https://www.4gamer.net/games/949/G094993/20261004012/","title":"推理ADV「ナカノ人格移植研究所」を試遊。乗り移った研究員の性別や所属によって，探索できる場所が広がっていく［OIGS2026］"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["ナカノ人格移植研究所"],"studios":[],"people":[],"type":"news","domain":"games","is_roundup":false},"keyFacts":null}