2girls, ahoge, alisa_mikhailovna_kujou, bare_shoulders, blush, breasts, cleavage, crossed_bangs, dress, finger_to_cheek, frilled_dress, frilled_sleeves, frills, greyscale, hair_ribbon, large_breasts, leaning_on_person, long_hair, looking_at_viewer, momoko_(momopoco), monochrome, multiple_girls, navel, ribbon, sidelocks, sitting, smile, solo_focus, stomach, tokidoki_bosotto_roshia-go_de_dereru_tonari_no_arya-san