When will the second collaboration between 'Dolphin Wave' and 'I Want to Be a Shadow Power' take place?

It will run from the end of maintenance on Friday, May 29, 2026, to Tuesday, June 9, 2026, at 13:59.

Which limited characters will appear in this collaboration gacha?

UR Delta (Wadatsumi Style) and UR Zeta (Wadatsumi Style) will appear.

What can be obtained in the scenario event 'Oath with the Hidden Shadow ~Part 2~'?

After clearing the event, you can obtain collaboration limited memories and dolphin training materials through the event BOX gacha.

What is the latest information about 'I Want to Be a Shadow Power'?

The series has surpassed 7.8 million copies in total sales, and a completely new theatrical version 'Theatrical Version: I Want to Be a Shadow Power! Resonance Chapter' is scheduled for release in 2027.

When is the collaboration memorial login bonus distribution period?

It will be distributed from Saturday, May 30, 2026, at 4:00 to Tuesday, June 9, 2026, at 3:59.

Dolphin Wave and 'The Eminence in Shadow' Collaboration Part 2 Begins! Delta and Zeta Arrive in Gacha

Published May 30, 2026 2:20 AM ・ Updated Jun 14, 2026 9:07 AM ・ 2 min read ・ Source: PR TIMES

HONEY∞PARADE GAMES kicks off the second collaboration between 'Dolphin Wave' and 'The Eminence in Shadow' on May 29th, featuring limited-time Gacha and events.

HONEY∞PARADE GAMES has announced the start of the second collaboration between its exhilarating jet battle game, 'Dolphin Wave,' and the anime 'The Eminence in Shadow' today, May 29th (Friday).

◇ 'The Eminence in Shadow' Collaboration Dolphin Fes Gacha (Part 2)! Starting May 29th, a Gacha featuring limited-timeコラボ dolphins 'UR Delta (Wadatsumi Style)' and 'UR Zeta (Wadatsumi Style),' as well as collaboration-exclusive memories, will be held. Period: After maintenance on May 29, 2026 – June 9, 2026, 13:59.

◇ Scenario Event 'Vow with the Hidden Shadow – Part 2'! Starting May 29th, a new scenario event will be held. Clearing the event and spinning the event box Gacha will reward players with collaboration-exclusive memories and cultivation materials. Period: After maintenance on May 29, 2026 – June 9, 2025, 13:59.

◇ Collaboration Commemorative Cup & Login Bonus! Players can collect items in the commemorative cup event to exchange for various rewards. Additionally, a login bonus campaign will be held. Period: After maintenance on May 29, 2026 – June 9, 2025, 13:59 (Cup). Distribution Period: May 30, 2026, 4:00 – June 9, 2025, 3:59 (Login Bonus).

FACT BOX

Source: PR TIMES
Category: キャンペーン
Organizations: KADOKAWA
Dates in source: 2026/5/29 / 2026/6/9

Dolphin Wave and 'The Eminence in Shadow' Collaboration Part 2 Begins! Delta and Zeta Arrive in Gacha

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