He awakes in a hospital bed, and is told by the doctors that the reason he collapsed is due to arrhythmia, a rare heart condition that causes his heartbeat to sometimes become irregular. The sender turns out to be his crush, however, as she confesses to him, he suddenly collapses.
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One day Hisao finds an anonymous letter in his math textbook, directing him to meet the sender at a given location. Nakai Hisao is a normal high school student, currently in his final year of high school. Wikipedia (en), Wikipedia (ja), Wikidata, MobyGames, GameFAQs, GameFAQs, GameFAQs, IndieDB, HowLongToBeat, IGDB, PCGamingWiki,, VNStat Danganronpa Forge:Re Side story Summer's Clover
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![hisao katawa shoujo game over hisao katawa shoujo game over](https://static.tvtropes.org/pmwiki/pub/images/katawa-shoujo2_9556.png)
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