"Dolphin Wave" 1.5th Anniversary Event Held! New costumes Shion and Helly appear in the gacha

"Dolphin Wave" 1.5th Anniversary Event Held! New costumes Shion and Helly appear in the gacha
HONEY∞PARADE GAMES has launched its 1.5th anniversary event for "Dolphin Wave," which is available for iOS, Android, and PC, starting today, April 20th....

The linked article is in Japanese.