18+ Ore to Kanojo no Moeyo Pen

Meet Kimijima Sen, an aspiring manga artist who specializes in hot-blooded battle shounen genre. In order to polish up his techniques to achieve his goal of professionally debuting, he became the assistant of the pro manga artist Ikoma Agito-sensei. A not-so-normal high school girl who loves drawing moe manga, eroge and has an extreme fetish for beautiful girls and big breasts.

Together, they must work together to get his manga serialized.