monogatari (series), nisemonogatari
araragi koyomi, araragi tsukihi
mikagami sou
1boy, 1girl, ahoge, anal, ass, ass grab, bar censor, black eyes, black hair, blush, brother and sister, censored, clothing aside, doggystyle, egg (food), egg hair ornament, food, food-themed hair ornament, fried egg, from behind, hair ornament, hetero, incest, looking back, motion lines, open mouth, panties, panties aside, penis, pink panties, pussy, sex, sex from behind, shiny skin, short hair, siblings, topless, underwear
commentary request, translated