Tatsuya Iguchi, a legendary delinquent feared as the "Mad Dog of Komae," is released from juvenile detention. He starts a new life working at a yakiniku (grilled meat) restaurant called "Sanrui," located far away from his hometown, under the care of his uncle and aunt. However, Tatsuya is under probation, and if he gets into another fight, he's out. In front of him appears Kaname Abe, the vice leader of the biker gang "Zanjin Kirihito." This encounter marks the beginning of Tatsuya's intense journey toward rehabilitation. As he faces gang conflicts, forms new friendships and bonds with his newfound companions and family, the path Tatsuya must take to protect what's important to him unfolds.
Nakanishi Aruno is disliked and bullied by other Nogizaka46 members because she's different from them. After one of them lock Aruno and tell her to not come back, she decides to come back definitely.
Iori Kitahara procura por uma nova vida da Península de Izu enquanto se prepara para iniciar uma nova vida universitária lá, permanecendo em um quarto que fica sobre a loja de equipamentos de mergulho de seu tio, conhecida como “Grand Blue”. No entanto, ele fica chocado quando conhece o clube de mergulho local, um grupo de homens musculosos que passam mais o tempo bebendo, festejando e ficando quase nus do que mergulham. Apesar de suas tentativas de se distanciar do grupo, Iori é rapidamente pego em suas travessuras, enquanto suas primas tentam mostrá-lo as maravilhas do mergulho no oceano e no mar.
