Ramen Daisuki Koizumi-san

His name is Touji, 20 years old. Following a certain incident that made him infamous, his only way get by is by working insconspicuous part-time jobs without involving himself with others. One day, while working at a supermarket, he gets dragged into a conflict between an employee and a rude Customer and ends up getting acquainted with a beautiful high school girl named Sakuya. Though she is blessed with an astounding memory, which some even call her ''super eye'', she struggles to adjust to her school life. In this illustrated human drama, those two who have difficulty adapting to this cruel society begin their share-house lifestyle and grow together.

The male lead has gynophobia (fear of woman) due to a traumatic experience. Following the recommendation of his sister, who is a nun with little brother-complex, he enters a previously all female school that now has a 9:1 female to male ratio. Then the Queen of the school demands that he work for her as her secretary! How will the gynophobic guy cope working so close to the Queen?

Meet Koizumi, the new speechless transfer student. She loves ramen. A LOT. She will go to all lengths to eat some ramen and there is no such thing as too much. Oosawa Yuu follows closely behind, trying to get close to Koizumi at every opportunity, despite her disapproval.