Original Title: 放課後裏レッスン~性教育は先生にお任せ!~
Romaji: houkago ura ressun ~ seikyouiku ha sensei nio makase !~
Release Date: 2011/01/21
Company, Producer: Erotica Peach
Getchu link: http://www.getchu.com/soft.phtml?id=698875
If anyone has this game, please upload it. There's a thread in the forum but...