masterpiece, best quality, absurdres, safe, 1boy, solo, original character, adult man, college setting, upper body shot, dynamic pose, face visible, green eyes, dark brown curls, tan skin, gray hoodie collar, canvas backpack strap, writing equation on glass board, excited grin, looking at viewer, university math lab background. A math student writes a complicated equation on a glass board, grinning as if the solution has finally clicked. White marker lines, laptop screens, study tables, campus posters, cool daylight, and crisp scholarly detail make the avatar crop bright and energetic., @daylightallure

worst quality, low quality, score_3, score_2, score_1, worst quality, low quality, lowres, score_4,score_5, twitter signature, twitter watermark, twitter sign, @, artist name, weibo signature, weibo username, additional limbs, bad fingers, six fingers