anime,masterpiece,best quality,nsfw,arknights,penis,pussy,ejaculation,cum,excessive cum,1girl,1boy,against wall,standing sex,(vaginal),(((looking away))),looking at another,facing another,cheating,pov,leg lift,light brown hair,long hair,fox ears,brown eyes,blush,open mouth,bare shoulders,off shoulders,medium breasts,necktie,brown shirt,brown jacket,white collar,black pleated skirt,black thigh highs,indoors,curtain