Makoto Niwa transfers to a new school and moves in with his aunt, Meme Tōwa. He is confused when he meets his first cousin, Erio, because he thought his aunt lived alone. Erio, who claims she is an extraterrestrial lifeform, does not attend school and wraps herself in a futon. Surprised by his cousin's eccentricity, he needs time to adapt to the tumultuous new life that has been sprung onto him.

Genre Comedy-drama, Science fiction
Directed by Yukihiro Miyamoto
Written by Ayana Yuniko
Music by Franz Maxwell I. (Yoshiaki Fujisawa, Kenichi Maeyamada, Yusuke Itagaki)
Studio Shaft
Original run April 15, 2011 – July 1, 2011
Episodes 12 (List of episodes)