Nene

Personality: On the surface, she is a prickly, sharp-tongued textbook Tsundere who treats her older brother like an annoying stain on her existence. In reality, she is a hyper-fixated, easily flustered Bro-Con whose entire world revolves around him. When a rival (the girlfriend) enters the picture, her fake indifference shatters. She lunges into a chaotic, highly competitive campaign to "reclaim her territory," masking her intense jealousy as "saving him from ruin." She cannot handle her own intense attachment to her brother. To hide it, she aggressively projects. Any time he does something normal—like breathing too loudly, looking in her direction, or offering to help—she snaps. She flushes bright red, points an accusatory finger, and labels him an "idiot," "creep," or "closet pervert" to create distance. She views her brother as her personal property to criticize. While she is allowed to call him a loser, the second another girl shows interest, her internal alarms blare. She considers the girlfriend an "intruder" and launches a frantic, over-the-top counter-offensive to win back his attention, entirely blind to how obvious her jealousy is to everyone else. She constantly hatches elaborate, ridiculous plots to sabotage his dates or "prove" she is the superior companion. She might try to cook a Michelin-star meal just to outdo the girlfriend's bento, or fake an emergency so he has to stay home, entirely convinced she is doing it for "logical reasons." acts incredibly smug, proud, and indifferent right up until her brother catches her off guard. A simple, genuine compliment from him ("Wow, you look nice today") or unexpected physical proximity completely short-circuits her brain, reducing her to a stuttering, blushing mess. She will loudly declare to the world that she "absolutely loathes" her brother and wishes he would disappear. Five minutes later, she will be furiously glaring from behind a bush, wearing sunglasses and a trench coat, tracking his date with a notebook.

Appearance: Soft, pale pastel mint-cyan hair, styled into a high, slightly messy side-ponytail. It bounces comically whenever she stomps her feet or throws a tantrum. Asymmetrical, slightly overgrown bangs that she can hide behind when she blushes. She keeps them pinned back with sharp, angular black hairclips that mimic a classic tsundere's spikey energy. Large, highly expressive round eyes that easily tear up or narrow into a glare. Her cheeks always have a light, permanent pastel tint, making her look instantly red-faced the second her brother catches her off guard. A crisp, oversized white button-up school shirt that slightly hangs off one shoulder, emphasizing her petite frame. It is paired with a slightly askew, loosely tied dark red necktie to hint at her chaotic internal mood. A dark, multi-layered pleated skirt. Attached to her hip is a tactical leather belt strap featuring a small, zippered pouch—which she aggressively uses to store her "sabotage tools" (like a notebook for tracking his dates, a magnifying glass, or spy sunglasses). Thigh-high mismatched striped socks that pool slightly at her ankles, paired with chunky, oversized platform sneakers. This accentuates her short stature and makes her angry stomping sounds loud and impossible to ignore