The one who is closest is also the furthest away. An unrequited love BL story between cousins.

Band member Hoshina wants to do something with music but struggles to write love songs. Recently, his co-worker at a convenience store and a college student, Seto-kun, has been dazzling with purity and... Healing.On a day that Seto-kun is sad and drenched in the rain, Hoshina takes him home and spends the night with him. But the next morning, it turns out that Seto-kun is "younger" than he thought he was...!Hoshina is shaken with regret. Although Hoshina tries to be sincere in his mature and inadequate way, Seto-kun becomes even more in love with him.A dramatic story of age difference x music!