Four strangers live-stream a staged “perfect” share-house romance until a sexual-assault scandal exposes manipulation, trauma, and the collapse of their performed identities.

Bent on revenge, a traumatized ex-police officer must infiltrate a yakuza organization by befriending one of the group's most unhinged members.

One day, college student Keiko, who is looking for a job, learns that the person she had feelings for has committed suicide. Keiko wonders if she was the cause of this. Classmate Mami, through her boyfriend Takuya, tries to introduce Keiko to Kazuo, a member of Takuya's theater company. However, Keiko, who met Takuya, has a special feeling for him. Miyata, a young man who seems to be hiding in the darkness of everyday life, meets Keiko one day.

Kyoko, a young Japanese girl training to become a professional mermaid, is saved by her coach's mouth-to-mouth "kiss of life". Desire awakens within her, she finds her mermaid voice and discovers the devastating effects of her singing, which will lead her to face the other side of the world.