Rule 34 Dev - 1girl bikini blonde_hair blue_eyes blush boku_wa_tomodachi_ga_sukunai breasts bursting_breasts butterfly_hair_ornament censored collarbone convenient_censoring embarrassing female_only hair_ornament high_res kashiwazaki_sena long_hair navel nipples pool rei_no_pool side-tie_bikini surprised swimming_pool swimsuit that_pool untied wardrobe_malfunction window|168163