Forced sex education for nerd-friendly gals

The main character is an otaku who suddenly finds himself living with his sister, who he separated from 10 years ago. - He is excited that his sister, who was so innocent 10 years ago, is coming back, - but what appears at the door of his house is the otaku's natural enemy, the bitchy gal! - The protagonist, being a nerd, had imagined a very exciting relationship with his sister, - but then he experiences an ultimate erotic experience beyond his wildest imagination. - His first contact with his sister is a morning blowjob! - Akane is disappointed by her brother's virginal reaction and decides to start a forced sex education to make him into the ideal brother! - Can Yusuke learn about the female body from his own sister's body and become, - a respectable man through his sister Akane's forced sex education?​