Shin Megami Tensei: Devil Children White Book is a 2001 role-playing game for the Game Boy Color, and the second entry in the Devil Children series. It was developed by Multimedia Intelligence Transfer, published by Atlus, and released on July 27, 2001.
To date, White Book has not seen an official release outside of Japan nor a translation patch.
Ten years later, Masaki encounters a Demon named Clay the Chimera on his way to school, and is told of his latent Devil Child abilities. He befriends Clay and they attend class together, after which Takaharu asks Masaki to walk his sister Shou back home. Masaki finds Shou near Harajuku's subway construction site, when suddenly, a Demon from Makai emerges and curses Shou with the Dark Slumber. Everyone believes Masaki to be at fault, which compels him to venture into Makai alongside Takaharu, find a way to save Shou, and clear his name.