Shin Megami Tensei: Devil Children (Japanese: ?·???? ???????? Hepburn: Shin Megami Tensei Debiru Chirudoren?) is a spin-off from Atlus' own RPG series Shin Megami Tensei. The Devil Children games are developed by Multimedia Intelligence Transfer and published by Atlus.

Devil Children is a part of the Megami Tensei franchise that is targeted at children. Compared to the other games in the franchise the monster designs are simpler and toned down. The usage of the transfer cable (for handheld versions) is introduced for monster exchange.

Black Book
The hero of Black Book is Kai Setsuna. His comrade is a small Cerberus named Cool(???[ku-ru]). On the day his Devil Riser arrived, his little brother Nagahisa got kidnapped by the ice devil Jack Frost and taken to the Makai. Utilizing the Devil Riser he released Cool and escaped the current danger, Setsuna then ventured to Makai to rescue his brother. A mysterious boy by the name Takashou Zed suggests that "why not take a look around the Makai while at the same time look for your brother?".