Including 5 posts of seiMIX singing and performance (accompaniment), There are many posts on nana such as
TheFirstTake , sei初伴奏 and 小学生んとき以来だわ
Enjoy seiMIX music such as “国民的アニメ主題歌っぽいなにか” and “国民的アニメ主題歌っぽいなにか”!
Popular posts of seiMIX
Latest posts of seiMIX
