1girl, blush, breasts, brown_hair, closed_mouth, glasses, hand_up, hololive, large_breasts, looking_at_viewer, mechanical_arms, medium_hair, mitsuru_(pixiv_34028718), official_alternate_costume, roboco-san, roboco-san_(high-spec_t-shirt), shirt, short_sleeves, sideways_glance, sitting, solo, upper_body, v, virtual_youtuber, white_background, white_shirt, yellow_eyes