Seeing how incompatible Rin and Shidou are, Isagi hopes to take advantage of it. However, his physical abilities are not enough to get him where he needs to be. Then, Hiori suggests that Isagi does the thinking "on reflex."

Cast: Kazuki Ura, Tasuku Kaito, Yuki Ono, Soma Saito, Junichi Suwabe, Nobunaga Shimazaki, Yoshitsugu Matsuoka