phenylketonurics:illustrations by Hiroshi Manabe from the book "悪魔のいる天国" (“Satan is in He
phenylketonurics:illustrations by Hiroshi Manabe from the book "悪魔のいる天国" (“Satan is in Heaven”) by science fiction writer Shinich Hoshi and it was first published as a novella by Tokyo Hayakawa Books in 1973. -- source link