Kamisama no Memochou (anime show)

Description: Narumi Fujishima is a plain high school boy, who has been isolated in the class. His classmate, Ayaka Shinozaki, invites Narumi to the gardening club and introduces a hikikomori detective named Alice to him. Alice hires Narumi as an assistant to solve mysterious cases involving an illegal drug \"Angel Fix\". But the drug entraps Ayaka into danger.