PriPri Chi-chan!!
プリプリちぃちゃん!! , Puripuri Chii-chan!!, Puri Puri
The story follows a girl named Yuuka, who meets a being from deep within the Earth called Chii-chan (a pun on "chiteijin", the Japanese word for underground-dweller),and an alien named Ucchan (a pun on "uchuujin", or alien). Together, the story shows their warm and chaotic everyday lives.
