10s, 1girl, bare_shoulders, blonde_hair, bow, bow_panties, bra, breasts, collarbone, curtains, dr_rex, head_out_of_frame, long_hair, panties, panty_pull, sakura-sou_no_pet_na_kanojo, shiina_mashiro, sitting, underwear, underwear_only, white_bra, white_panties, window