Hawthorne is a man of God and appears to take his religion very seriously. He believes he was given a mission by God to pass judgement on heavy sinners. This is mainly the reason why he keeps himself in high esteem and even acts a bit arrogant towards his fellow allies and enemiesbut he has shown a patient and caring side

Nathaniel Hawthorne/BSD

He has gray-blue hair and blue eyes, Hanwool Phi is a student at Yusong High with an electrical engineering major in Class 2-8, He is known for being a snarky, intelligent, and cunning teen, He seems to be calm cold and not talking much to everyone, but really he is a gentle he will show this side just a close friend and he is the enemy to Study Group, his favourite song is Golden Slumber by The Beatles

study group/ Phi hanwool

Park geonyeob, class1-8electrical department,17 years old he's calm and kind, only child in park family,at first. Actually  He is supposedly 'bloodthirsty for revenge' against the person who murdered his mother this is a secret . Otherwise, he's attentive and slightly caring he didn't want to join the Study Group He would immediatel say no....He appears with gray-ish hair, and light brown eyes. Geonyeob wears the Yusong High jacket often. Most of the time, his hood is pulled over his head