Kyoukai no Melody
境界のメロディ
Two aspiring musicians, Kyousuke and Kai, are preparing for their debut when Kai dies in a traffic accident the day before their performance. Three years later, Kyousuke has stopped making music, but Kai unexpectedly returns as if no time has passed. Kai urges Kyousuke to rediscover the joy of music. Kyousuke must now decide whether he can move past his grief and reclaim the vibrancy in his life.