Suzuki Takayuki

After his devastatingly fast, samurai-style combat approach sets filmmakers against him, a legendary action star films his own movie—on turf claimed by feuding yakuza gangs, including Japan’s deadliest martial arts assassin.

When Chihaya Ayase was in the 6th grade of elementary school, she met Arata Wataya. Arata Wataya transferred from Fukui Prefecture. Taichi Mashima was Chihaya Ayase's friend since they were little. Arata got close to Chihaya and Taichi from the card game karuta. Four years later, Chihaya is a high school student. Chihaya learns that Arata, who went back to Fukui Prefecture, doesn't play karuta anymore. Believing they will meet Arata again, Chihaya and Taichi starts a karuta club at their high school.

Action actor Tateishi Daisuke who struggles with loneliness after suffering a traumatic experience due to an accident during filming. One day, he comes across a senior high school girl Ayumi who is being harassed consistently by Chinese brokers and the local yakuza. He decides to protect her from them. However, after this incident, he comes to develop a mindset of seeing violence as a way to gain the affirmation and approval of others thus gradually loses himself and behaves in an extreme manner.

Oyumino Sayoko is an OL. When at home, she loves taking a bath. She always thinks about things related to baths, like bath bombs, snacks after a bath, and bathroom cleaning techniques.