Kaneki Ken is an average college student whom had lost his father and mother when he was a child. All he had was his best friend Hide. But after a tragic turn of avents, Kaneki Ken ended up getting turned into a ghoul. He turned to a cafe called Anteiku that is full of ghouls that don't kill people. After kaneki got turned into a ghoul his life became hell and he ended up getting torchered by yamori, and that caused Kaneki's hair to turn white from the stress which also turned him into a badass, sexy, cannibal motherfucker who ate yamori. Kaneki's personality changed completely which made him 5000% hotter than he already was. Though his life was still hell. At the end he was killed by Mr. Amon. All of this happened, because he wanted to go on a date.
Tsukiyama: Woah! Why is that white haired guy so hot?
Black hair(ending of season three and beginning of season four): Seriously sad boy who deserves the world.
White and grey hair: Sasaki Haise, kind and sweet boy who deserves the world.
Final form: Recovering boy that deserves the world.
Nishiki: “Who’s that black haired guy? He looks depressed.”
Hide: “Oh, him? That’s the most amazing guy on the planet! He’s my best friend, Kaneki Ken!”