Abe Atsushi (阿部敦)
Triangle Message
Release date: July 28, 2018
01 Triangle Message with Yonaga Tsubasa
& Sato Takuya
02 Triangle Message (Instrumental)
Nichijoushiki Broken down
Release date: August 09, 2017
01 Nichijoushiki Broken down with Nakamura Yuichi
02 Nichijoushiki Broken down (Instrumental)
Kai-ri-Sei Million Arthur Character Song Vol.1
Release date: July 15, 2015
02 REWARD OF BELIEF (off vocal)
03 Yonimo Kimyou na Hagure Michi Youhei Arthur Hen
see also Fujin RIZING!, IDOLiSH7