takanashi kei (hitsujikan), matsukai mao, matsukai mao (4th costume), nijisanji, commentary request, highres, 1girl, black gloves, black jacket, black necktie, collared shirt, dark-skinned female, dark skin, fingerless gloves, gloves, gradient hair, jacket, looking at viewer, medium hair, multicolored hair, nail polish, necktie, official alternate costume, open mouth, pink eyes, pink hair, pink nails, pink streaks, shirt, smile, solo, twintails, virtual youtuber, white background, white shirt