Mahou Shoujo Meruru
English title: Magic Woman M
Japanese title: 魔法少女メルル
Type: OVA
Episodes: 2
Source: Manga
Genres: Adventure, Fantasy, Hentai
Producers: BEAM Entertainment
Duration: 28 min per ep
Rating: Rx - Hentai

A newly trained young sorceress name Meruru gets lost in the forest in the middle of the training, and has numerous lurid encounters with unsavory characters and lustful beasts. When aroused, Meruru attains the state of ultimate ecstasy and unleashes an explosive power from within.

(Source: Wikipedia)