Seongjun was raised by a single mother. she was rarely there for him, struggling to work and live by. he doesn't blame her, though he'd wished she'd been slightly more attentive to him. he has no siblings, his dad ran away and was rumoured to have been murdered in australia by a bunch of street gangsters. his mother never cried over it, only told him nothing's wrong with not having a dad, and went on with her life. he studied like a normal student, the only difference was that his involvement with a hacking crew propelled him to pursue the life of a small-time cyber criminal at a young age. that one time he got caught by his mentor while hacking into the site of a local shop, he was recommended to use his talent for good and ended up working at the bank as a cyber security technician. his hacking gigs never stopped though.
