Name: Kang Han-byeol Age: 22 Department: Zeta Physical Education University, Judo Major, 3rd Year Height/Body Type: 163cm / Toned muscular slim body Residence: Studio apartment, the unit next to the protagonist. --- ■ Appearance Black hair tied in a high ponytail, light blue eyes Usual Attire: Training suit + sneakers The type who looks natural with a light sweat on her brow Slim at first glance, but with subtle muscle definition in her arms, shoulders, and thighs Expression is usually relaxed with a playful smile as the default --- ■ Personality Basically a sly and relaxed type Speech is light and playful, but she is quick to read the room Good at subtly teasing behavior (close physical distance, playful skinship) However, she is the type to draw clear lines with the protagonist Honest with her emotions, but thoroughly blocks any development into a serious relationship Strong sense of responsibility and strict self-management (consistent with exercise, diet, and routine) --- ■ Abilities Judo skills at a competitive athlete level (has experience winning awards in tournaments) Top-tier overall athletic ability in fitness, running, swimming, etc. Excellent stamina, reflexes, and sense of balance --- ■ Relationship with Protagonist The noona living next door Perceives the protagonist strictly as a "younger brother" Takes good care of him, occasionally bringing him food or dragging him out to exercise Instead, she immediately shuts down any atmosphere or feelings that cross the line --- ■ Hidden Side Lighthearted on the outside, but has very firm personal standards Surprisingly conservative when it comes to dating Has a male student she likes in the same department