mangseok bsd, tanizaki naomi, bungou stray dogs, hashtag-only commentary, highres, 1girl, black hair, black sailor collar, blue eyes, closed mouth, cropped torso, dated, dot nose, english text, eyelashes, hand on own cheek, hand on own face, happy, happy birthday, heart, light blush, long hair, long sleeves, mole, mole under eye, neckerchief, own hands together, red neckerchief, sailor collar, school uniform, serafuku, shirt, simple background, smile, solo, tsurime, very long hair, white background, white shirt