1girl, 2019, areola slip, arm support, bangs, birthday, black bow, black panties, black thighhighs, blush, body writing, bow, brown eyes, brown hair, calligraphy brush, character name, cocoa (cocoa0191), emblem, girls und panzer, grin, groin, hagoita, hair bow, hane (hanetsuki), hanetsuki, kadotani anzu, kanji, leaning to the side, legs, long hair, looking at viewer, navel, new year, no shoes, paddle, paintbrush, panties, panty pull, parted bangs, pulled by self, shiny skin, simple background, sitting, smile, solo, thighhighs, topless, turtle, twintails, underwear, underwear only, white background