1girl, blush, bra, breasts, hoshino_ai_(oshi_no_ko), lace-trimmed_bra, lace_trim, long_hair, looking_at_viewer, open_mouth, oshi_no_ko, pants, poharo, purple_eyes, purple_hair, smile, solo, star-shaped_pupils, star_(symbol), star_in_eye, sweat, sweater, symbol-shaped_pupils, symbol_in_eye, underwear