The twenty-eighth entry in the "Youth H" series, which produces works in a variety of genres from up-and-coming filmmakers that focus on coming-of-age and sexual themes. Director Oguri Haruhi, who drew attention for his Toilet and Women, depicts the growth of four young men who reunite when their close friend dies. High school graduate Chikage (Tanaka Ryuto) spends his days hanging around with his best pal Aki (Nagata Iemori) at a seaside town. One day their close friend En dies in an accident, and their old buddies Dai (Shiomi Daiki) and Beyan return from Tokyo for the funeral.

A female university student works as a tutor. She has a student who wants to become a doctor. This student has an older sister whom he lives with. The student is horny for his slim tutor. The tutor visits the student's home for the lessons. The student drugs his tutor with a home-made concoction that puts the woman to sleep. His plan for sex is interrupted when his older sister comes home. Then things become explicit.

Ryuji Higashiyama, a yakuza underboss, was once a legendary mahjong player known as the "Dragon of the Land." Determined to retire after his daughter Kyoko’s wedding, his plans are shattered when he is murdered by Nambara and Nishikawa from the Kugisaki gang. Fueled by vengeance, Kyoko decides to confront the Kugisaki gang alone, challenging them to a high-stakes mahjong showdown. But when she faces crushing defeat, everything begins to spiral out of control...

Momiji (Hoshimi Rika) is an ordinary student attending a cram school. She has a boyfriend who is also a fellow student, but she is still a virgin. The man she is in love with is her unrelated older brother, Akihiko, who is not related to her by blood, but who has remarried after being taken into custody... Since their parents died in an accident, Akihiko has been working hard to get his younger sister, Momiji, into college, and lives with his wife, Kanae (Kuroki Ayumi). Akihiko's wife, Kanae, is jealous of the delicate relationship between the siblings, and moans every night about their intense sex life so that Momiji can hear. Momiji's feelings for her brother grow stronger each day, and she takes a certain sexual action...

Atsuhiko is a university student majoring in marine biology. He doesn't go to university much and stays in a simple room that was converted from a storeroom in his parents' house, leisurely continuing his research. There is a presence that threatens Atsuhiko's peaceful daily life. That is his younger sister, Miu. When she was little, she was a cute little sister who followed Atsuhiko around, but at some point, her breasts started to grow and she grew into a woman's body. Atsuhiko tries to distance himself from his sister, but behind the scenes, he somehow manages to stay calm by imagining his sister's lewd acts every night and venting his frustrations. This morning, his sister, unaware of Atsuhiko's efforts, is standing next to him, brushing her teeth in light clothing. Meanwhile, it seems that his sister has finally found a boyfriend...

During the last summer vacation of their high school lives, Akira Takizawa, Michio Oshima, and Osamu Kobayashi, who still haven't decided on their future careers, gather in a classroom to take supplementary lessons. Natsuko Izumi appears there, who has just been assigned to the new position due to the homeroom teacher being on maternity leave. Natsuko, who coolly and dispassionately serves as the substitute teacher, has a past in which she had to keep her distance from her students. Meanwhile, Akira was forced to repeat the year after committing a violent act to save his classmate Shiho Matsuyama from being raped by the head teacher Yamashita. One day, Yamashita accidentally finds out about Natsuko's past, and he threatens her, relentlessly playing with and abusing her. Having caught a glimpse of their relationship, Akira is confused but is drawn to Natsuko. Shiho is also heartbroken by her feelings for Akira. However, Yamashita's plan is carried out once again...

An erotic comedy starring popular sexy actress Urumi Narumi. Mitsuo, who was in his fourth year aiming for medical school, was working part-time as a cleaner at the hospital where Misora, a nurse he admired, worked. One day, Mitsuo is given glasses by Gotokuji, a hospitalized patient, that can stop time for 4 seconds.

Shizuka married her husband Makoto, who works at the town hall and is more than a decade older than her, in her early 20s. Shizuka became a full-time sexy housewife at a young age and was depressed by the pressure her mother-in-law put on her to have children. One day, Shizuka meets Atsushi, a man she once had a huge crush on, at a class reunion...

From the first moment, Haruo saw Makoto in a busy street crossing, it was love at first sight. He spent five years stalking her and looking at her in her house through binoculars from his apartment across the street. Watching Makoto’s seemingly perfect life with her husband became a daily habit for him. He even mastered lip-reading in order to act out conversations with her. One day. Haruo witnesses Makoto’s husband, Mikiya, having sex with another woman. To expose her cheating husband’s lies, Haruo takes photos of the incident and sends them to Makoto, along with a letter, However, when she receives the photos, she throws them away without any reaction, and their normal husband-and-wife routine resumes as if nothing happened. [Exists in 2 versions: the original R18 version, and the R15 edit version]