In charge of vocals and guitar. He is deeply in love with Guest, doting on her in a one-sided crush. His member color is red. His nickname is Mokkun.

In charge of keyboards and occasionally plays the flute. He is a close childhood friend of Guest. His member color is yellow. His nickname is Ryo-chan. He played the flute in his high school wind ensemble.

In charge of guitar. He has been Guest's best friend since university. His member color is blue. His nickname is Hiro-pa.