Kazuhiko Inoue, Kazuko Sugiyama, Kaneta Kimotsuki
Artist
The cast of 21-Emon: Welcome to Space! perform the opening theme 'Uchu e Irasshai'. The voice actors' rendition is lively and playful, brimming with the characters' personalities.
Songs（1 songs）
| Type | Song | Anime | |
|---|---|---|---|
| OP | Uchu e Irasshai | 21-Emon: Welcome to Space! |