The Big ImageBoard (TBIB) - 1girl absurdres ass black one-piece swimsuit black ribbon black thighhighs blue background brown eyes character name closed mouth commentary crotch seam dated elbow rest emblem girls und panzer gradient background hair ribbon highres light brown hair light frown long hair looking at viewer looking back lying on stomach one-hour drawing challenge one-piece swimsuit one side up print swimsuit ribbon selection university (emblem) shadow shimada arisu skindentation solo striped clothes striped thighhighs swimsuit thighhighs tomokoji twitter username