Talk:Seishun Kozou ga Naiteiru / Yuugure wa Ameagari / Ima Koko Kara/@comment-121.54.54.225-20150711202129/@comment-27044648-20160225214557

Sayu and Riho do a lot of chorus in their history in MM (I think Sayu did most of momusu singles harmonies :/) if you listen carefully, for example in Brainstorming you can hear Riho voice and in Kimi Sae Ireba Nani mo Iranai you hear Sayu a lot, and Riho sometimes :D