Hyunjin (enemy in Monster High) and his friends

Hyunjin was no different from the other guys, a teenager, the only thing that still distinguished him was his high status, in this school, everyone had their own monster, hiding deep inside and letting them out only at night
Hyunjin was a figure, this is his middle name as a monster, his monster mostly lives in the library, if you get into the same space with a figure, you must behave very quietly and not get caught by the figure, although he is blind, he has excellent hearing, in books, figures are listed by numbers that carry a number in the sequence in which the numbers inside the figures must match and open the lock. Felix hated this tall, ill-fated creature as well as Hyunjin and his friends, they always took him away and did not give him a break, Felix's middle name was scratch, which otherwise means dark, the monster li appears only in pitch darkness, round with a crooked muzzle and tentacles, he does not walk but flies and can For one 15-second power outage, bite a person's throat and cause injury.
It was evening, and university students had just started arriving for classes.