S1E10 : Sumo Wrestling by yourself isn't lonely just because you don't have a partner. The eyes of the audience sting, too.

The injured Misaki spends a night at the hopsital, and finds herself rapidly growing closer with Akira, who stayed with her the whole time. Due to a secret agreement between the head of M&M Music, Itsuki Kanzaki, and Ogata Productions' Eiji, Rina is forced to change the venue she was going to perform her concert in.