Origin
Japan
Hakana is a ghost who has been haunting the Fukuyamas' private hot spring. Last winter, she was bathing at the spring when a pervert caught and groped her. When she tried to catch him, she slipped on a wet rock, hit her head and died. In order to move on to the afterlife, she wants to catch a pervert.
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
