Since Chigiri joined Blue Lock, he started hanging out with the other guys in there. One the day his friends Isagi, Nagi, Bachira, Kaiser, Reo, Kunigami, Kurona, Barou, Aiku, Rin, Sae, Shidou, Otoya, Yukimiya, Karasu, Gagamaru, Raichi and Igaguri manage to convince him to go to a concert of the most iconic idol of the moment (and guess what, that idol is you)