ym dpl, rosa (arknights), arknights, commentary, 1girl, ahoge, black background, black pantyhose, blue coat, blue eyes, blue hat, blush, boots, coat, dress, false smile, fur-trimmed boots, fur trim, hat, heterochromia, holding, holding paper, long hair, long sleeves, looking at viewer, one-hour drawing challenge, pantyhose, paper, red eyes, simple background, smile, solo, very long hair, white boots, white dress, white hair