1girl anus barefoot breasts brown_eyes brown_hair censored completely_nude dildo feet female_masturbation kantai_collection legs loli lying masturbation medium_hair mosaic_censoring nipples nude object_insertion on_back open_mouth pussy ryuujou_(kancolle) sex_toy small_breasts solo spiked_dildo spread_legs sweat takemura_sessyu tears toes twintails vaginal vaginal_object_insertion visor_cap