1girl ahoge ass blue_eyes blush brown_hair embarrassed flat_chest from_behind green_eyes hairband heterochromia highres locker locker_room long_hair looking_at_viewer looking_back low_twintails official_art open_mouth panties red_hairband ryoubi_(senran_kagura) senran_kagura senran_kagura_new_wave shiny_skin skindentation solo standing striped striped_panties sweat twintails underwear undressing yaegashi_nan