僕のすべて君へのすべて (Boku no Subete Kimi e no Subete)

Background
The song tells the story of a boy who a long time, is in love with his childhood friend and always wanted to date her. However when he confesses his feelings was late because she already had a ring on her finger.

On July 13, 2013, was released a self cover with WIL after its release.

The song is featured on album Pastel.