Appears on releases
# | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
---|---|---|---|---|---|---|---|---|---|
Official | |||||||||
1.9 | やわらかい約束 | 5:24 | 彩恵津子 | Unknown Things | 彩恵津子 | Album |
| Continental (Japan; imprint of Teichiku Entertainment, Inc.) | 30CH-268 |