RH Plus.

RHプラス

RH Plus (Japanese: RHプラス, Hepburn: Āru Eichi Purasu) is a Japanese manga series written and illustrated by Ayako Suwa, serialized in Enterbrain's B's-Log Comic between 2006 and 2009. The series has been collected in four tankōbon volumes and was licensed in English by Digital Manga Publishing. A live-action series adaptation premiered on January 2, 2008.