Description:

Youichi is a very serious, stoic young man with a girlfriend and a regular sex life. However, he has never experienced sexual self-gratification. Recently, he's become aware of a book called "Masturbation" at the library he works at -- an educated discourse into the history of the sin of Onan and related practices. Finding himself increasingly intrigued by the concepts within, he begins to conduct a series of experiments ... Join him as he embarks into a whole new world! (Source: Mangaupdates)

Description:

Uchida is a high school student genius who created a device that is supposed to make people have good dreams but he always had bad dreams when he tried it on himself. One day, he caught the school doctor sleeping at the clinic and decided to try the device on her. It turned out that it works surprisingly well on her and that she wanted to buy the device from him. He then tries it on his classmates and it became quite popular with the rest of the class as people start lining up to borrow it. Meanwhile, there isgrowing concern that users of the device are starting to have difficulties differentiating dreams from reality... (Source: MangaHelpers)

Description:

Okada Keiichi nearly drowned in his childhood, which left him with a trauma for water. Now he faints on the slightest touch with water. To his grief, his girlfriend takes him to the pool to charm him with her swimsuit. By accident Keiichi falls into the pool and gets rescued by the swimming instructor, Mizushima. Keiichi senses something special about her and even Mizushima seems to knows something about Keiichi's past. What will happen to Keiichi now? (Source: PROzess)

Description:

A new teacher enters an all-girls high school and as he tours around he sees a female student sleeping in a classroom. When she wakes up, however, she suddenly kisses him... (Source: MU)

Description:

Protagonist gets a job at an important company – purely by mistake. Unqualified, but unwilling to admit they made a mistake, they tell him instead to go help out the women... (Source: MU)