KonoSuba: God's Blessing on this Wonderful World! X Overlord

'''KonoSuba: God's Blessing on this Wonderful World! X Overlord''' (このすば×オーバーロード) is a special collaboration crossover [event] hosted in the mobile game of KonoSuba! Fantastic Days. It was released on October 31, 2021 to November 2, 2021.

Game Structure
The first smartphone game "KonoSuba!" "Fantastic Days", with a special crossover event from the characters of KonoSuba and Overlord. It is an RPG for smartphones. In addition to enjoying the full-voice story, you can also enjoy the original story and original characters of this game.

Trivia

 * Currently, the number of downloads has exceeded 2 million.