Lain appears to be a 14-year-old girl, She has pale skin, brown eyes and brown hair. Her hair is short, left slightly above the shoulders and a long lock of hair on the left side of her face. 

She wears a yellow hair-clip, The hair-clip is 'X' shaped and wraps the entire lock of hair securely. 

Lain could be seen in her school uniform, which consists of a grey blazer, with a blouse and a red tie underneath, a green skirt and white indoor shoes accompanied by black socks.