1girl, 1boy, asuna (sao), yuuki asuna, medium breasts, erect nipples, heavy blush, open mouth, moaning, ahegao, orgasm, trembling, (klein (sao), spiky reddish-brown hair), (white knit dress pulled up to chest, dress lifted above breasts, breasts fully exposed,) no panties, missionary, vaginal penetration, sex, cum in pussy, internal cumshot, excessive cum, creampie, nsfw, netorare, wet, sweat, living room, dim lighting, sofa