PriPri Chii-chan!!

PriPri Chi-chan!! (プリプリちぃちゃん!!) is a Japanese manga series written and illustrated by Hiromu Shinozuka. The series began publication in Shogakukan's Ciao manga magazine in April 2015. An anime television series by OLM, Inc. started airing in Japan from April 2017.

Plot
An underground-dweller named Chi-chan wanted to come to the human world in search for sweets. After completing his objective and wanting to return home, he would find himself stuck on the hole where he came from only to be dug out and saved by a girl named Yuka Saeki. Since then, Chi-chan would live in Yuka's home and hospitality.