第4話: 瀬奈が優樹を罰し、トリオがブラミューを設計し、美春が高校時代の優樹との出会いを語る

4

First Part: S&M: Sena comes to ask Yuuki to pay the charge for working, but Yuuki already spent all his money. Because he doesn't have money and he made fun of her last time, she gives Yuuki punishment. Second Part: The Mascot Character: It seems that cute mascot characters are really popular right now, so Mihari, Yuuki and Ashisu decide to think one for Yuuki's manga. Third Part: Introducing Bra-Mew: They decide on the character Bra-Mew. Fourth Part: Seventeen Mihari: While walking on the street, Ashisu asks Mihari how she met Yuuki and Mihari tells how they met for the first time in high school. (Source: Mangaka-san to Assistant Wiki)