上弦の月 (Jougen no Tsuki)

Background
This song first appeared in the musical adaptation of Senbonzakura.

It was later featured on Kurousa's 5th ANNIVERSARY BEST album. The song is also a part of Yamaha's Yoen Waso Emaki compilation CD and the compilation album V Love 25 -Hearts-.

This song has entered the Hall of Fame.