Uchi no Oochopus
うちのウッチョパスUchi no Oochopus
The story
TVThe main character is the mysterious lifeform Oochopus. In the series, the Oochopus appears at the house of five-year-old Kantarou and three-year-old An-chan. Kantarou and An-chan accept the cute but somewhat irresponsible Oochopus as family.
(Source: ANN)