KATANEGAI

by integrull

Censored Windows

VersionFinal

EngineOthers

Released2026-01-01

Updated2026-05-19

LanguageEnglish (Edited GPT-5-mini )

2DCG Big Tits Censored Creampie Group Sex Incest Japanese Game Loli Male Protagonist Multiple Endings Oral Sex Romance Titfuck Vaginal Sex Virgin Voiced

About KATANEGAI

KATANEGAI is an adult game by integrull, made with the Others engine and presented with 2D CG artwork. You follow Seiya, a male protagonist, after he and his sister Nagi return to their birth village following their parents' deaths. The story begins with a quiet life, but when Nagi becomes seriously ill, Seiya goes to a shrine and meets Yami, a mysterious shrine maiden in black clothing. She tells him that saving Nagi requires him to unite with his sister, shaping a tale about breaking one wish to fulfill another.

The finished build was released on January 1, 2026 for Windows. It is available in English, with edited text noted as GPT-5-mini, and adult scenes are censored with mosaics. The game includes voiced scenes and multiple endings, letting players explore a romance-centered story about Seiya's difficult choice. Development is complete, so the released build contains the full tale as presented by the creator.

Developer's description

Upon learning of their parents' passing, the Minami siblings—Seiya and Nagi—returned to their village of birth. With few villagers remaining, they settled into a quiet life together... But when Nagi fell gravely ill, Seiya sought help at the shrine—where he encountered a mysterious black-clad shrine maiden named Yami. To save his sister, Yami revealed that he must "unite" with Nagi. This is a tale of breaking a wish to make another come true, to save the one most precious to you.