Close friend of Yukari Nejima. Yuusuke first met Yukari when an angry guy confronted Yuusuke for "stealing his girlfriend". Yuusuke is portrayed as a cool and handsome young man. He is very popular with the girls and even had a few ex-girlfriends. It is hinted that he has a special relationship with Takazaki Misaki which caused Yukari to think that Yuusuke might also like Misaki. However, Yuusuke is still shrouded in mystery and whether he likes Misaki or not is unclear.

As of chapter 181, it is confirmed that Yuusuke is in love with Yukari.