Relationships
えこ (Dōjin vocalist) has no relationships.
Appearances
| Date | Title | Artist | Length |
|---|---|---|---|
| vocals | |||
| ハッピー☆マテリアル | えこ & 樹詩音 | 3:47 | |
| ハレ晴レユカイ | えこ & 樹詩音 | 4:04 | |
| もってけ！セーラーふく | えこ & 樹詩音 | 4:23 | |
| 教えてせんせいさん | えこ & 樹詩音 | 3:55 | |
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