1girl, 3, d, bare_arms, bare_shoulders, bra, breasts, brown_hair, cleavage, cowboy_shot, embarrassed, hand_up, indoors, large_breasts, lingerie, long_hair, mariya_mikhailovna_kujou, momoko_(momopoco), navel, open_mouth, panties, purple_bra, purple_panties, raised_eyebrow, smile, solo, standing, stomach, sweatdrop, tokidoki_bosotto_roshia-go_de_dereru_tonari_no_arya-san, underwear, underwear_only, undressing, yellow_eyes