Chibi Devi!

Chibi Devi! (ちび☆デビ!) is a Japanese shōjo comedy manga series written and illustrated by Hiromu Shinozuka. It was serialized in Ciao. It was adapted into an anime television series by SynergySP which aired from October 10, 2011 to February 17, 2014.

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?