1girl, ahoge, animal ear fluff, animal ears, bangs, belt collar, breasts, cat ears, cat girl, cat tail, cleavage, collar, hair between eyes, hololive, long sleeves, looking at viewer, medium hair, nekomata okayu, open mouth, pants, prison clothes, purple eyes, purple hair, sitting, smile, smug, tail, virtual youtuber, watanabe masafumi (masafumi 127)