Origin
Seiren
Nanae is Koyomi and Tomoka's superior in the Space Travel Agency. Nanae is in charge of the missing persons department and assigns agents to find and retrieve residents of Seiren who have accidentally been transported to Earth.
Girls Bravo
Girls Bravo (Japanese: GIRLSブラボー Hepburn: Gārusu Burabō) is a Japanese manga series written and illustrated by Mario Kaneda and serialized from 2000 to 2005 in Shōnen Ace by Kadokawa Shoten. The story focuses on a high school boy who is allergic to girls who is transported to a mysterious world with a mostly female population; when he returns, one of the girls from that world becomes his housemate. source: wikipedia
