Gravitation

When Hiro quits the group, he says hes decision is final. No matter what Shuichi does, Hiro is not coming back. Shuichi refuses to go along without Hiro, after all, him and Hiro were the original members, and hes his best friend. Ayaka Chan gets told by Hiro that he likes him, even though Hiro thinks she will never return the feelings. And Yuki takes a surprise visit to Kyoto.