I've got a crush for the first time in 10 years!?

29 years old, single, no boyfriend. Haruka, the protagonist who got so absorbed with work that she almost forgot about love, falls in love at first sight with Chikage, a college student she bumped into while on her commute. Haruka, now in love for the first time in forever, doesn't know how to close the distance between them, and can only gaze at him while on the train. One day, when she visits a bookstore on her way home from work, she notices Chikage is a cashier at the store! And for some reason he tells her "let's practice dating"...!? Love for the first time in 10 years, -what on earth is going to happen-?! The love story of an around-30 low-confidence woman and a clumsy younger man begins!