Mem-Cho is described as being attractive, cute, and innocent. She has aqua-colored eyes, brown hair dyed blonde, a cat smile, and small devil horns. Despite being twenty-seven, she looks younger than she is. Mem-Cho is generally playful, bubbly and somewhat mischievous, which makes her look adorable to any onlooker. In some regards these characteristics could be perceived as lies to protect herself and allow her to fake her age and portray the persona of a typical high schooler.