The mobile game Konosuba: Fantastic Days started a collaboration with the anime series Danmachi: Is It Wrong to Try to Pick Up Girls in a Dungeon? for the global version of the game. The Japanese version of the game had the collaboration back on April 30, 2021. The collaboration started on May 26 for the global version and will end on June 9.
The Konosuba and Danmachi collaboration features Bell, Hestia, and Ais as playable characters as well as new outfits for Aqua and Darkness. Event-limited characters Bell and Hestia can be claimed for free by completing event challenges. Ais can only be obtained through recruitment along with Aqua and Darkness’s new outfits. Players will also be given 3,000 quartz, 2 4★ Guaranteed Recruit Ticket, and one free 10x Recruit Ticket throughout the special 14-day log-in bonus.
Konosuba: Fantastic Days Synopsis
A Spectacular Anime RPG brimming with fantasy, laughter, and EXPLOSIONS!– Official Website
KonoSuba: Fantastic Days is here to transport you to another world.
You have been summoned, brave traveler, to a world threatened by the Devil King’s army in the first KonoSuba mobile game ever to be released globally. The journey may be long and perilous, but do not fear! You won’t be going empty-handed…joining your party will be all the KonoSuba characters you know and love, along with some fresh new faces.
Embark on your adventure, and rescue the realm from the forces of evil! Although, when it comes to Aqua, you may have to do most of the rescuing yourself…especially against those pesky giant toads. Fantastic Days await you!
Source: Konosuba: Fantastic Days Official Website