Chibi Devi!

Chibi Devi! (ちび☆デビ!) is a Japanese shōjo comedy manga series written and illustrated by Hiromu Shinozuka. It was adapted into an anime television series.

Plot
Sawada Honoka is a 14-year-old girl who is very timid. She easily gets bullied by other classmates. Honoka is a non-believer in God, Angels, and Devils. Though one day, a devil baby was dropped into her room while she was sleeping. What will Honoka believe in now?