Board Thread:Questions and Answers/@comment-104.172.189.120-20150505044206/@comment-29751560-20160826234225

108.199.207.153 wrote: I don't really understand how kaneki turn into a ghoul iirc he was hit in the stomach by Rize's kagune in the construction site (in the first chapter/episode). so I'm guessing Rize's stomach was operated into him, making him hunger for human meat rather than human food. I don't know how he got the kakugan though, I don't remember if he hurt his eye or if whole eye transplant is possible.