YamiHita's bad guy

Name: Koji
Age: 16
Birthday: 1/1
Gender: male
Species: Human
Hair Colour: died black
Hair Length and Style: spiky and grown out in the back, the longer part is pulled into a pony tail
Eye Colour: light blue
Skin Colour:
Personality: Seems kind, but as soon as you consider him your friend he enjoys betraying you then killing you
Likes: betraying peoples trust, the heat
Dislikes: his brother, the cold
Clothes: Like Yuki’s, but coat is shades or red, shirt is crimson, and pants are black
Background: Yuki’s identical twin, equal and opposite of his brother, ran away at age 12
Anything else: