Dokidoki Oyako Lesson: Oshiete H na Obenkyou
Japanese title: ドキドキ母娘レッスン～教えてHなお勉強～
Alternative titles: Learning the Hard Way
Type: OVA
Source: Visual novel
Episodes: 2
Status: Finished Airing
Aired: Apr 25, 2007 to Jun 25, 2007
Duration: 26 min per ep
Rating: Rx - Hentai
Studios: T-Rex
Producers: Milky Animation Label, MS Pictures
Licensors: Kitty Media
Genres: Hentai

Based on the hentai game by Tinker Bell.

Shio Atsushi is a professor who will provide home class to two daughters of different families: Arisa and Maya.
But it seems this won't be only educational purpose since the two girls show interest to that man.