Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.10 | 5センチ -Duet ver.- | ?:?? | Duca & Rin'ca | あざらしそふと 10th Anniversary Album with Duca | Duca | Album + Compilation |
| あざらしそふと | AZAREC-031 |
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