Koi ga, Ano Natsu ni Aru

Ryouta Sakaue returns to his hometown during summer break to settle his late grandfather's estate. There, he meets Chizuru, a frail young man he falls in love with. After Chizuru suddenly vanishes, Issei, a boy Ryouta has known since birth, appears. Ryouta recognizes Issei as Chizuru's reincarnation, and they form a relationship. The story explores their connection, shaped by past and present, as a college student and his childhood friend navigate a love tied to fate and memory.