houkago shounen, hysilens (honkai: star rail), honkai: star rail, honkai (series), absurdres, highres, 1boy, 1girl, black hair, blue eyes, blush, breasts, cleavage, collarbone, completely nude, cowgirl position, curtains, dutch angle, earclip, earrings, erection, girl on top, hair behind ear, hair intakes, hair ornament, hair over shoulder, hairclip, head tilt, hetero, holding hands, jewelry, large breasts, long hair, looking at viewer, motion lines, navel, nipples, nude, on bed, parted bangs, parted lips, pearl earrings, penis, pov, ribs, see-through body, sex, shiny skin, squatting cowgirl position, straddling, sweat, swept bangs, uncensored, very long hair