The opening theme song is performed by Ku-ko's voice actor Natsu and Ko under the character's name. Lyrics by yozuca*, composition, arrangement, and performance by Puyo Suzuki, with guitar and other instruments; Pasta plays piano and organ.
| Usage location | Opening theme song |
|---|---|
| Performed under the name Ikuko | Summer is harmonious and young |
| Lyrics by the author | yozuca* |
| Composing, arranging, guitar, and other instruments | Suzuki Puyo |
| Piano and organ | Pasta |
Content and inclusion
The opening theme song is performed by Ku-ko's voice actor Natsu and Ko under the character's name. Lyrics by yozuca*, composition, arrangement, and performance by Puyo Suzuki, with guitar and other instruments; Pasta plays piano and organ.
Related entries
- Related works:Seven days spent with sharks
- Performed under the name Ikuko:Summer is harmonious and young
- Lyrics:yozuca*
- Composer, arranger, guitar, and other instruments:Suzuki Puyo
- Piano and Pipe Organ:Pasta
- Character names used for performance:Ku-ko (Seven Days with Sharks)
- Recording Engineering:Noriko Mihara
- Mixing, Music Direction, and Sound Production:Junichi Doi
- Recording Studio:SoundCity
- Mixing Studio:MB-ONE studio
- Included CD:Seven Days with Sharks Theme Song Maxi Single CD
References
Data compiled on: 2026-10-07.