The Big ImageBoard (TBIB) - 1girl absurdres arm behind back black shirt blue archive blue buruma blush breasts buruma closed mouth covered navel damcheong day gym uniform halo hand on own cheek hand on own face hand up heavy breathing highres large breasts long hair looking at viewer mechanical halo official alternate costume outdoors ponytail purple eyes purple hair running track shirt short sleeves solo standing star sticker sticker on face sweat sweaty clothes tree wiping sweat yuuka (blue archive) yuuka (track) (blue archive)