The president of the chorus club, Satomi Oka, is approached by a yakuza named Kyoji Narita. Kyoji's yakuza group holds a customary karaoke competition, and whoever earns the title of worst singer must get a tattoo. Since he was asked to be Kyoji's singing teacher, Satomi has no choice but to go along with these practice sessions. Brought together by karaoke, where will Satomi and Kyoji end up?
E1
E2
Satomi finds himself having nightmares, only for it to worsen when a group of Yakuza ask him for help.
E3
With the big day coming up, Satomi must sort his feelings as his time with Kyouji draws closer to an end.
E4
Left in disbelief, Satomi knew there was only one place to go if he wanted to find out Kyouji's condition.
E5
Three years have passed since the big day. See the events that unfold through Kyouji's eyes since then.