All 12 episodes of the Japanese anime based on the light novel series written by Hitoma Iruma. When Makoto Niwa (voice of Miyu Irino) moves in with his Aunt Meme (Ai Nonaka), he discovers his cousin Erio (Asuka Ogame) believes she is an alien from outer space. The episodes are: 'City of Aliens', 'Reverie of My Disappointing Adolescence', 'A Strange Moment for the Girl Bound to the Ground', 'One Month to Mend a Broken Right Arm', 'The Melancholy of Thanksgiving', 'Ryuko-san's Feeling... Kinda... Glum', 'A Day Someone Will Remember', 'Tsiolkovsky's Prayer', 'Region Limited Alien Incident', 'Overhanging Deck Girl', 'The Summer Is About Baseball and Espers and Futons and Astronomical Observations and Festivals and Baseball and Meme and...', '0.00000000198 Centimetres Per Second' and 'Midnight Sun'.