- Jupiter3(ココ練)--Not Selected3collabココ_naoko
- 春よ来い(ココウス練習)--Not Selected3collabココ_naoko
- 島唄3(ココ練)--Not Selected3collabココ_naoko
- 島唄2(ココ練)--Not Selected3collabココ_naoko
- 守ってあげたい(ココウス練習)--Not Selected3collabココ_naoko
- 島唄1(ココ練)--Not Selected2collabココ_naoko
- Jupiter2(ココ練)--Not Selected2collabココ_naoko
- Jupiter1(ココ練)--Not Selected2collabココ_naoko
- やさしさ(ココ練)--Not Selected2collabココ_naoko
- Hello, my friend(ココウス練習用)--Not Selectedココ_naoko