Batsugun Kanojo / Batsugun Kanojo

The hentai was produced by Pinkbell Software and as of 2008 could surprise all fans of 2D animation with pseudo-2D animation based on Shake technology for increasing frame rate. Of course, now that won't surprise anyone...

The main character is a girl named Yumi Takamine. She is in love with her childhood friend and has been dating him for six months. Yumi really loves sex in her room. And from time to time she asks her boyfriend to fuck her right there.