The exhilarating jet-battle game Dolphin Wave is holding a collaboration with Melonbooks starting October 9, 2026 (Friday). The collaboration includes a guaranteed gacha for a collaboration-exclusive Dolphin, a boss battle event, a commemorative machine wrapping, a login bonus, and a pop-up store.
Watch the commemorative PV here:
https://www.youtube.com/embed/ccsSVBqZK3Q
Melonbooks Collaboration-Exclusive Guaranteed Dolphin Gacha
The "Melonbooks Collaboration-Exclusive Guaranteed Dolphin Gacha" is now available. This gacha always yields the collaboration-exclusive Dolphin "SSR 都条 みちる (Melonbooks CP Girl)."
Event Period:
October 9, 2026 (Friday) after maintenance – October 20, 2026 (Tuesday) 1:59 PM
- This gacha can be pulled once per player for 1,500 paid Marine Stones.
- The collaboration-exclusive Dolphin appears only during the collaboration period and will not appear in gacha lineups after the Melonbooks collaboration period.
- The "Melonbooks Collaboration-Exclusive Guaranteed Dolphin Gacha" may be reissued.
- The period is subject to change without notice.
Boss Battle Event "Entering the Store Coolly!? Melonbooks in Wadatsumi"
The boss battle event "Entering the Store Coolly!? Melonbooks in Wadatsumi" is now underway. Clear the event and collect event-exclusive items to obtain the collaboration-exclusive Dolphin "咲宮 小針 (Melon-chan Costume)."
Event Period and Exchange Period:
October 9, 2026 (Friday) after maintenance – October 20, 2026 (Tuesday) 1:59 PM
Collaboration Commemorative Machine Wrapping
To commemorate the Melonbooks collaboration, the machine wrapping "W-MelonUMI" is making its debut. Clear the boss battle event to obtain it.
Event Period and Exchange Period:
October 9, 2026 (Friday) after maintenance – October 20, 2026 (Tuesday) 1:59 PM
Collaboration Commemorative Login Bonus
A collaboration commemorative login bonus is being held in honor of the Melonbooks collaboration. Log in daily to collect Marine Stones.
Distribution Period:
October 10, 2026 (Saturday) 4:00 AM – October 20, 2026 (Tuesday) 3:59 AM
Pop-Up Store
To commemorate the release of the second official art book, a pop-up store is being held at Melonbooks Akihabara Store No. 1 starting October 9 (Friday).
Details:
https://news-dolphin-wave.marv.jp/article/38771
Official Website:
https://www.melonbooks.info/
Official X (@melonbooks):
https://x.com/melonbooks
App Store (iOS) URL:
https://apps.apple.com/jp/app/id1533946351
Google Play (Android) URL:
https://play.google.com/store/apps/details?id=jp.hpgames.dolphin
DMM GAMES URL:
https://dmg-dolphin-wave.hpgames.jp
Title: Dolphin Wave (#ドルウェブ)
Release Date: Now available
Genre: Exhilarating Jet Battle
Platform: iOS / Android / Windows 11 (64-bit)
Planning: HONEY∞PARADE GAMES
Development: Bullet
Character Design: Takuji
Copyright: ©MELONBOOKS ©Marvelous Inc. ©HONEY PARADE GAMES Inc.
Official Website: https://hpgames.jp/dolphin-wave/
