On a rainy morning in Tokyo, Takao Akizuki, an aspiring shoemaker, decides to skip class to sketch designs in a beautiful garden. This is where he meets Yukari Yukino, a beautiful yet mysterious woman, for the very first time. Offering to make her new shoes, Takao continues to meet with Yukari throughout the rainy season, and without even realizing it, the two are able to alleviate the worries hidden in their hearts just by being with each other. However, their personal struggles have not disappeared completely, and as the end of the rainy season approaches, their relationship will be put to the test.

Kazushi Sudou is a university student who is visited by his two childhood friends, the sisters Ayane and Kotone Shirakawa. When Ayane discovers that Kazushi not only forgot to buy her pudding but is also using her special lotion in the bath, she decides to take revenge and join Kazushi in his bath along with Kotone. Will the perverted Kazushi be able to remain indifferent to them both?

Haruka Shinozaki has been interested in the class representative, Akiho Kousaka, since his first year in high school. She is attractive, good at sports, and is an all-around model student. Since they are in the same class this year, Shinozaki decides to confess his feelings—and, to his shock, Kousaka agrees to be his girlfriend! However, he finds that Kousaka is a bit stranger than he first thought: this seemingly perfect girl has never been in a relationship. But even though she is inexperienced, she vows to please Shinozaki in every way she can... such as learning multiple sex positions or his fetishes. Shinozaki tries to assure her that her studies into such subjects aren't necessary, but Kousaka devotes herself to making him happy in more ways than one. [Written by MAL Rewrite]

For most people, wearing glasses is a necessity for clear sight, but for four young girls, their spectacles mean so much more. From a teenage girl wearing her glasses with pride and a top idol who uses hers to disguise herself as a regular person, to a couple whose bent frames bring them closer together, a good pair of glasses can not only open your eyes, but also open your heart.