happoubi jin, tsukushino mitsugu, boin, boin lecture, game cg, 00s, 1girl, apron, arm up, ass, black background, blonde hair, blue eyes, blush, bobby socks, bow, bowtie, breasts, cleavage, closed mouth, dress, facing viewer, female focus, food, frilled apron, frilled skirt, frills, hair ornament, hair ribbon, hair tie, hand up, happy, headdress, holding, holding tray, ice cream, kneeling, large breasts, long hair, looking at viewer, maid, maid apron, maid headdress, mary janes, on one knee, receipt, red dress, ribbon, shoes, simple background, sitting, skirt, smile, socks, solo, sundae, tray, twintails, waitress, wavy hair