The story revolves around a girl named Yuuka, who encounters a being from the depths of the Earth named Chii-chan (a pun of chiteijin, the Japanese word for underground-dweller), and an alien named Ucchan (a pun of uchuujin or alien). The story follows their heartwarming and chaotic everyday lives together.

Genres

Cast

Momo Asakura

Yuka Saeki (voice)

Rie Murakawa

Chii-chan (voice)

Yuuko Kurose

Ucchan (voice)

Rika Nagae

Joe-kun (voice)

Aki Toyosaki

Non-chan (voice)

Shun Horie

Yamato Suo (voice)

Arise Sato

Akari Suo (voice)