1girl, ahoge, black_shorts, blonde_hair, blush, breasts, character_name, closed_mouth, collarbone, couch, feet_out_of_frame, from_behind, green_eyes, hair_in_mouth, happy_birthday, legwear_under_shorts, long_hair, long_sleeves, looking_at_viewer, looking_back, lying, medium_breasts, on_back, pantyhose, shorts, sleepy, sleeves_past_wrists, smile, solo, sweater, yellow_sleeves