masaki nanaya, st ar-15 (girls' frontline), girls' frontline, commentary request, highres, 1boy, 1girl, blue eyes, blush, censored, closed mouth, clothing aside, elbow gloves, gloves, hetero, indoors, leotard, leotard aside, looking at viewer, lying, missionary, mosaic censoring, on bed, penis, pillow, pink gloves, pink hair, pink thighhighs, pov, school uniform, serafuku, sex, short sleeves, side ponytail, skindentation, solo focus, thighhighs, thighs, vaginal, white leotard