You wake up in prison and there is a big mouth full of legs coming really, really close to your own mouth so you scream! Scream because this is terrifying. Scream because it's all you can think to do.
You scream and scream and scream until a door bursts open. It's Genghis Khan (かん) and he looks mad. Apparently your screaming is bothering him and now he's gonna give you a real reason to scream.
Currently there are no similar looking kanji which exist in the WaniKani learning system