chalos, matsukai mao, matsukai mao (1st costume), nijisanji, commentary request, highres, 1girl, animal ears, antenna hair, black collar, black jacket, black shirt, cat ears, collar, dark-skinned female, dark skin, dated, fake animal ears, happy birthday, holding, holding paint palette, holding paintbrush, jacket, long hair, looking at viewer, open mouth, paint palette, paintbrush, purple eyes, shirt, shorts, smile, solo, spiked collar, spikes, two side up, virtual youtuber, white shorts