Aki Aoi and Sora Aoi are a pair of close siblings who have shared an intimate bond since childhood. During their coming of age, they each come to realize the true depth of the love they feel for each other and consummate that love in secret. They keep their younger sister, Nami, Sora’s twin, in the dark about their new relationship. Nami, clueless of what is happening in her household, aims to set her brother up with her best friend, Kana Sumiya. Despite these relationships Nami seems to have feelings for someone near to her too, but keeps them secret.

Nozoki Ana is about an art student named Tatsuhiko Kido. After moving to Tokyo into a new apartment to attend art school he notices a hole in the wall, at first he sees nothing through the hole but one day he sees a girl masturbating so he goes to her apartment to tell her that there is a hole between the wall, he meets her and tries to chat but she walks back to her room so Kido follows her, he trips and he end up being on top of her, so she takes a picture and says to Kido that she will erase the picture if he agrees to expose each other. This begins a life of "peeping" on each other. The story follows Kido through several relationships and his everyday life while he copes with being peeped on by and encouraged to peep on his neighbor; Ikuno Emiru.

Based on the adult game by Marine.Kutaro works hard everyday at a TV station as an assistant director. However, his life changes when he agrees to take part in a new TV program with Aya -- who is a famous TV presenter; but she constantly mocks him.One day, Kutaro plots revenge by secretly adding his sperm into Aya's coffee. She drinks it, not knowing, then after work she asked him: "What did you add to my coffee? It had a different taste." He was embarrassed but admits it.Surprisingly Aya responded with: "Today I felt great. I did not think such a coffee would help...". Thus begins Kutaro's life with a beautiful TV presenter.

A beautiful woman is sent as a teacher to the worst school in country, where morality and any trace of discipline are gone, so the days are a living hell for some students and teachers. Gangs rape the young female students and the teacher gets excited from secretly watching, but she also has her own part in the so-called fun.