tajima nao, sakurazuka kaoru, x-change (series), yin-yang! x-change alternative, untied, game cg, 1girl, aqua eyes, arms up, bed, blue eyes, blush, bow, bow bra, bra, breasts, cleavage, dutch angle, embarrassed, female focus, from above, lingerie, lying, on back, open clothes, open shirt, pleated skirt, red hair, school uniform, shirt, short hair, skirt, solo, sweatdrop, tears, underwear, white bra