Charas w/ Unique Facial Features

Shinpei has a very creepy eyes (looks in general haha)

I'm not sure but Dan has a psychotic, murderous, innocent face???? Please don't ask why :)

Hamuko has that I don't know what to call it but it's about her mouth shape and Gao-kun has delinquent look

Tamon has depressed face .. like permanent dark circle under the eyes.

Yakumo-san often have his eyes close

Bertram has a resting bitch face with dead eyes

Uhmm the FMC doesn't have a face at all in our MCs POV (^_^;)