tajima nao, asakura mizuki, sakurazuka kaoru, x-change (series), yin-yang! x-change alternative, game cg, 1futa, 1girl, :>=, bathroom, blue eyes, blush, bow, bowtie, brown hair, censored, closed eyes, clothed sex, clothes lift, fellatio, futa with female, futanari, groin, hair ribbon, hand on another's head, long hair, mosaic censoring, open mouth, oral, panties, panty pull, penis, pink panties, pleated skirt, ponytail, red hair, ribbon, saliva, school uniform, serafuku, short hair, sitting, skirt, skirt lift, standing, toilet, underwear