Cream Lemon: Ami at the Poolside

Based on the cult adult anime OVA of the same title, this film depicts the passionate love between a stepbrother and sister, discovered one weekend when their parents go away. Their relationship soon must come to an end, but not before it changes their lives forever.

17-year-old Ami Nonomura passes a talent audition she took on a whim with her friends and is showered with praise, but she has no intention of making her debut. Her older brother, Hiroshi, is a special camera man who specializes in filming people having sex. Ami and Hiroshi live together under the same roof for reasons of their own.

When Ami and her step-brother, Hiroshi embrace one another in bed, the phone rings. A year later, Ami lives with Hiroshi and his wife, Mariko, but there is an undeniable tension between Ami and Mariko. One day, Mariko gets mad at Ami.

Ami Nonomura, who lives with her aunt, moves in with her half-brother Hiroshi to care for him. Hiroshi has lost his mental balance since the death of his real sister, Mami. Under Ami's diligent care, Hiroshi gradually recovers. However, conversely, Ami begins to be plagued by erotic nightmares. Ami learns that Mami's death was a suicide, and that the cause was her pregnancy resulting from a forbidden love affair with her brother Hiroshi. Hiroshi's heart was still trapped by Mami. Ami makes a decision. "From today, I'll belong only to you, big brother. So please, forget about Mami..."

Arisa (16) is reunited with art student Masaki (20) after three years. She lives with her mother Saeko (39) and maid Aya (22). Masaki and Arisa are half-siblings, and his mother was a mistress. Saeko, who had taken care of him, commissioned him to paint a portrait. That night, he witnesses Saeko and Aya embracing passionately. Masaki struggles to make progress on the portrait, and Arisa gently comforts him. Saeko, displeased with the two of them, begins to provoke Masaki. Masaki recalls the humiliating days of the past when Saeko repeatedly assaulted him. Still unable to paint, Masaki confides his past to Arisa. Arisa then confesses that she herself had masturbated while watching Masaki being violated. Their suppressed love overflows, and the two embrace. Driven by desire, Saeko forces the submissive Aya to confront Masaki. He resisted but seeing Aya writhing in agony, he gradually lost control and began to desire her. While secretly watching, Arisa indulged in self-gratification.

Shoko, Ryuta's ex-girlfriend, is left brain dead after a traffic accident. Shoko's brother and Ryuta were classmates and best friends in medical school. One day, Ryuta receives a request to track down a famous person who has gone missing. That person is Shoko's brother, a genius doctor and artificial intelligence researcher, only 25 years old. He was a rising star who had published one groundbreaking paper after another and was hailed as someone who would fundamentally change the world of artificial intelligence, but he disappeared a year ago, betraying the expectations of those around him.

Mako is a young woman who dreams of being a manga artist, but she’s frustrated — she can’t come up with a compelling romantic story, and she has no personal experience with love to draw from. While struggling with this creative block, she ends up sharing her home with Nene, an exchange student. The two quickly become close friends and begin working together on Mako’s manga. At first their relationship feels just like creative collaboration, but Nene suggests they “practice” romance so Mako can better understand how to depict it. They share an intimate moment that surprises both of them. Around the same time, a male classmate named Yū confesses his feelings to Mako. As Mako blushes and starts to explore new feelings, Nene begins to feel jealous — and she might be hiding a secret of her own.

On her 18th birthday, Ami Nonomura wants to meet her father and brother who live far away. While searching for her brother's house, she is attacked by a thief, but is helped by Hiroshi Tazaki. They fall in love but discover that they are siblings.

Aya, who has come to Tokyo on a school trip, uses her free time to go and visit her brother, Jun, who she was separated from after her parents' divorce. Although Aya has a boyfriend named Nobu, she can't help but think about her brother. Aya had harbored a secret crush on her brother since childhood and wanted to confirm her feelings upon their reunion. Meanwhile, Aya's boyfriend was not pleased. As a virgin, Nobu had planned to have sex with her for the first time during the school trip, but Aya went to see her brother instead. On the second day, Nobu secretly followed her. He then witnessed Aya and Jun in a passionate embrace in Jun's room…