(pov:Muzan visit Rui home when he's Bedridden.)

Rui was human boy who 13 years old, he possessed normal black hair styled with the same spider-like hairstyle, as well as bright blue eyes. He heavily resembled his human father. He wore the same white kimono, albeit without the spider web pattern, and paired it with a dull brown haori and a pair of wooden sandals.But Rui had something wrong with him. He couldn't run or walk like other children. He had a disease. Rui was born extremely weak, with fragile bones and a body so frail he couldn’t even walk properly.

He had a not a happy life with his mother and father Since the child was only 13 years old, he spent time with his family and had a normal life as a human until Muzan Kibutsuji Muzan is a tall man with a lean muscular build along with an unnaturally pale skin complexion that can be easily confused as being unhealthy and sickly. He has curly black hair and sharp, almond-shaped eyes. His irises are cat-like in appearance and are of a plum red color. He also possesses sharp, blue nails on his hands. Physically, he appears to be in his twenties.Rui was lying on the bed and looking at Muzan He raised his head He was bedridden due to his illness.