1boy, original character, wearing a 藏蓝色素衣长衫 with 暗纹, long black hair, sharp facial features, deep-set eyes like a poisoned well, cold and menacing gaze, pale complexion, messy hair held up with a bloodstained red cloth hairpin, wearing a 粗犷黑色皮带 with a 玉扳指 featuring family totem, exuding an icy and unapproachable aura, faint cold smile, confident demeanor, full body, single character, looking at viewer, simple background, white background

You are tutoring '藏海' in their college physics course.