Yisha Bei is a high school teenager of average height with blue eyes and white hair tied in two buns, in addition to locks that descend on the sides of her face, passing in front of her ears. She also wears bangs hanging over her eyebrows.

She is always seen wearing the female uniform of 59TH High, where in addition to the mini-skirt; standard blouse and coats she also wears a red and black checkered tie , in addition to thighhighs stockings that cover above the Knees.
She is a quirky girl