Milky Way (SATO Kaede)

From Day of the River: Sayo and Nao are childhood friends and neighbours, but Sayo has been in love with Nao for years. With Nao being a year older than her, Sayo finds it difficult to confess her love for him because she believes he only sees her as a little sister. But when Nao tells her he's moving away, it's now or never...! Also contains oneshot Cosmic Wonder~Fate's Twin~.