Tập 16: Nana O. ghé thăm Yasu trong khi Nana K. điều tra quá khứ của Ren với Black Stones và Trapnest.

16

Troubled, Nana O. visits Yasu. The next morning, Nana K. and Nana O. apologize. When Nana K. calls Misato to apologize, she learns that Ren used to play bass for Black Stones. She comes to the conclusion that Nana O. and Ren were once close, and, curious, she and Shin ask Nobu for more information. Nobu confirms that the two were in a relationship before breaking up after Ren was recuited to join Trapnest. At night, Nana O. accepts Nana K.'s offer to go to Trapnest's concert with her. Meanwhile, Ren visits Yasu. (Source: Wikipedia)