A lot of wax and hairspray would do the trick. Maybe cement. [ Kaneki's fingers brush through Katsuki's hair for a bit longer, smiling softly as he leans into the touch.

As selfish as it sounds, Kaneki is glad Bakugou is this comfortable around him. He feels guilty in a way - what if he knew that Kaneki likes him? For sure he wouldn't allow this if he knew Ken's feelings - but he is so glad he can have this much.]

I will leave mine messy and walk like I have some back issue. [ that's how delinquents do it, right?] And fake piercings.