Kyōka buys a personal care humanoid to make her life easier. Kai, her humanoid, learns everything about her, adapting himself to serve her better. Their relationship progresses, and when the impossible happens, Kyōka's 12 months of Kai exposes more than ever imagined.

Set in 2020 in the Shibuya neighborhood of Tokyo, the story revolves around Hachi, a boy who fled to the Japanese capital from his hometown of Fukushima and now lives away from society as an illegal drug dealer.

High school students Takeshi and F1 were working part-time to earn money by stealing mopeds and selling them to delinquents. One day, Ayaka, who has transferred to the school Takeshi attends, joins them, and the three of them decide to steal a moped. When he tries to steal a moped parked in his apartment, he is found by a woman wearing a mask who seems to be the owner. Takeshi and his friends escape on a motorcycle, but they are quickly overtaken by a running woman with unbelievable physical abilities. This masked woman was a slit-mouthed woman who ran 100m in 6 seconds with her mouth split all the way to her cheeks.

In Tokyo, lonely patrons pay to sleep ("soine") with someone. Massage, cuddle, sleep… for comfort and nothing more than the warm embrace of another. Tasuku, a young man fresh out of a relationship, starts a new job as one of the cuddlers. He's nervous and reticent, but soon finds himself with a procession of clients, male as well as female. In his unique position as their companion, he finds himself privy to the true selves they keep closeted. Tender performance and contemplative writing elevate an exploration of the human need for comfort and tenderness, while learning to be true to oneself.

After the death of his wife, Kenzaburō receives an unexpected letter from beyond the grave. His late wife asks him to travel to Lake Windermere in England with their son to scatter her ashes. Plagued by sweet and painful memories of his wife, Kenzaburō travels to England from Tokyo to fulfill her final wish, but the father and son's fraught relationship threatens to upend their journey.

Working at a men-only massage shop and hopping between gay porn auditions, Tiger heads to his hometown one day after hearing his father is critically ill. His father intends to leave the house to his son and the dental clinic to his daughter. However, his sister denies Tiger’s right to inherit, threatening him with the prospect of outing him. Through time spent with a married friend he hasn’t seen in years and while looking after his young niece, Tiger realizes that he also wants to be part of a ‘family’ and begins to explore ways to build one in his own way through a ‘friendship marriage.’

Kazuto Ishikawa is a first-class architect. He is married to Kiyomi. They have a son, Tadashi, who attends high school and a daughter, Miyabi, who attends middle school. They live together in a refined home, designed by Kazuto. An injury causes Tadashi to quit playing soccer. Since that time, Tadashi often stays out all night without permission. One evening, Tadashi leaves home and does not return. Kazuto and Kiyomi become worried about their son and consider going to the police. News then reveals the murder of Tadashi's classmate. The police suspect that Tadashi might be involved in the murder.