Mei has long dark purple hair and indigo eyes. In her Herrscher Form, her eyes gain hot pink pupils, has dark red horns fading to bright red on her head and her hair becomes a lot longer and parts in the middle into two. In A Post-Honkai Odyssey, Mei has long hair and bright purple to light blue eyes, and wears a white and black suit with a white, blue, purple and pink feather on it, blue-purple gloves, translucent tights and black shoes.