Mizumoto Tsukasa Sensei no "Ecchi" wo Oboeru Otona no Seikyouiku Lesson!!

The main character has never kissed or had sex with girls. One day, three female teachers appear in front of him and start a sex lesson. If he completes it, he will be a sex expert!? The more the lesson goes on, the more bold it gets. There are "Lecture Part" and "Hands-on Part". You can enjoy various sex lessons from three teachers. Now lesson start!

(Source: ErogeShop)