The Big ImageBoard (TBIB) - 1girl :o armpits arms up ass visible through thighs bangs black-framed eyewear blue background blue swimsuit border breasts brown hair collarbone competition swimsuit covered navel cowboy shot eyebrows visible through hair from above glasses grey eyes groin highres jacket jacket removed looking at viewer lying medium breasts nijisanji on back one-piece swimsuit open mouth outside border red jacket semi-rimless eyewear serizawa (serizawaroom) short hair simple background solo suzuka utako swimsuit thigh gap track jacket under-rim eyewear virtual youtuber white border