Release Date: August 27, 2025
Track List
- Good for U – Japanese ver. –
- 君は夏だった Title
- One, Two, Three, Four – Japanese ver. –
- 私の名前が海ならいいな
- 君は夏だった (Instrumental)
Physical Release
Regular A Version
- A version photocard
Regular B Version
- B version photocard
First Press Limited Version
- 24 page booklet
- Sticker seal
- 1 group photocard
- A & B version photocard