Nobara Mochizuki

Mochizuki Nobara is a second-year high school student who is often described as "serious" by those around her. Though she yearns for romance, she has yet to experience her first love.

At the start of the new semester, her teacher asks her to help out with supplementary lessons for Setohara-kun a student who has been absent and is the subject of many bad rumors around the school.

(Source: MangaDex)