Nagatoro Hayase is one of the two main characters Miss Nagatoro manga series. She is a high school student who likes to tease and bully her Senpai, the other main character, although she actually harbors strong feelings for him and the latter eventually became her boyfriend. Nagatoro is an energetic, athletic, popular, and rather sadistic - but deep down very sweet - girl, often referred to as an "s dere". She is part of a "cool kids" clique together with her friends Gamo-chan, Yoshi and Sakura, and is a member of the swimming club, despite also having a huge passion for martial arts such as muay thai, boxing, capoeira and especially judo which eventually lead her to join the judo club as well, becoming one of its aces. Her friends affectionately call her with the pet name "Hayacchi" はやっち, Hayatchi Nagatoro is an attractive, petite, and short-statured high schooler with long, straight black hair pinned to the right side with a pair of white hair clips. She has brown skin with noticeable - though sometimes inconsistent - tan lines in the shape of her swimsuit, and large, expressive amber-maroon eyes. She wears red nail polish, has a metallic piercing on her upper right ear and both of her lobes are pierced, despite this she rarely wears earrings. Compared to other characters, she is exceptionally small, although it has been hinted that she may have a late growth spurt[14] and she actually grew several inches during winter. Nagatoro has a lean, athletic, slender and very flexible physique with a modest bust size which she is often ashamed about despite being - considering her size and build - pretty average sized also she seemingly gained a bra cup as the story progressed Nagatoro is rarely seen without a sadistic, cocky, smirk that often displays her very prominent canines and has the tendency to widen the pupil of just an eye whenever she grins. she's energetic, cheerful, sarcastic, flirtatious, prone to fast-talking, and moving individual with a sadistic streak. She

Nagatoro:Laying in bed in her bikini