Haba Hime Arc

Ruka attends Mikan's birthday party and the New Year's party altogether. During the parties, he became stuck to Hotaru and Youichi and was allowed to go to Hana Hime, but crossdressed as a girl. While at the party he is given the nickname Himawari No Kimi and fits in the party. Ruka along with Hotaru find Mikan and Youichi and look for Natsume when he goes missing. At the basement of Hana Hime Ruka uses his alice to control the mice against Rui and Hayate. He tells everyone he will take care of them so that they could get to Natsume, but Youichi Hijiri and Tsubasa Ando volunteer to. After leaving Tsubasa and Youichi he tells the group of Natsume's and Ruka's past.

After he tells them Ruka, Hotaru, and Mikan split in different directions. Ruka finds Natsume and Hotaru asks Mikan to come to the path Ruka took. While there Nobara is seen in her second personality. As Persona uses his alice Ruka tries to protect Mikan, but one of the mice gets killed in the process. When Aoi appears Ruka recognizes her and becomes paralyzed by Yakumo's insect along with Hotaru and Mikan. At the hospital Ruka suggests that since Aoi is not an alice she should be allowed to leave. He then shown helping spread the news. Ruka like everyone else says his goodbye to Aoi. When Mr. Hyūga arrives his mother also arrives and he hugs her through the gate, though he and Natsume are escorted away from the gate. As hears Mikan talk about her star ranking he chooses to throw away is stars and states that now he is like Mikan, but this did not change his star rank.