Ore to Kanojo no Moe yo 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.