Izayoi Sakamaki, Asuka Kudou, and You Kasugabe have tremendous psychic powers and are bored with the regular world. An envelope arrives for each person, and when each opens their envelope, they are stunned to see the scenery around them change to a world they had never encountered before. They've been summoned by the Black Rabbit to help the community "No Name" to overthrow the Devil King. (Source: Crunchyroll)

Spin-off of the anime and based on the novel. Sakamaki Izayoi, Kudou Asuka, and Kasukabe You have tremendous psychic powers and are bored with the regular world. An envelope arrives for each person, and when each opens their envelope, they are stunned to see the scenery around them change to a world they had never encountered before. They've been summoned by the Black Rabbit to help the community "No Name" to overthrow the Demon lords.

Izayoi Sakamaki, Asuka Kudou, and You Kasugabe have tremendous psychic powers and are bored with the regular world. An envelope arrives for each person, and when each opens their envelope, they are stunned to see the scenery around them change to a world they had never encountered before. They've been summoned by the Black Rabbit to help the community "No Name" to overthrow the Devil King. (Source: Crunchyroll)

Saigou Homura – a youth holding a “little” unique ability received a single mail. The moment he opened that mail, Homura was summoned to another world! It was a world ruled by the games of Gods and Demons called Gift Games. Homura, who met a lovely usamimi loli Kuro Usagi, has unexpectedly ended up participating in a super large scaled Gift Game!? He, along with Ayazato Suzuka and Kudou Ayato, who were summoned together with him and Izayoi Sakamaki, who he reunited with after 5 years, will challenge the Game of Fighting Gods and Buddhas that even rolled up the real world in it!!

A Compilation of various side stories and arcs of Mondaiji-tachi and Last Embryo written by Tatsunoko Tarou.