恋椿姫 (Koi Tsubaki Hime)

Background
PolyphonicBranch's first published work to be sung by IA.

It's featured on PolyphonicBranch's first full album Dennou Ryodan -Cyber Brigade-. It is also featured in the IA/VT Colorful compilation album, IA/VT -COLORFUL- Original Sound Collection 1.

This song has entered the Hall of Fame.

This song is featured in the PS Vita game, IA/VT Colorful.