The Big ImageBoard (TBIB) - 1girl armpit peek armpits black shirt blue archive blue jacket blush breasts gym shirt gym uniform id card jacket jacket partially removed lanyard long hair looking at viewer medium breasts official alternate costume partially unzipped ponytail presenting armpit purple eyes purple hair shirt short sleeves solo star (symbol) star sticker steam sticker sticker on face sweat track jacket yuuka (blue archive) yuuka (gym uniform) (blue archive) yuyu (yuyuworks)