Rebirth: I'm Just an Ordinary Security Guard

Rebirth + Security + System + Invincibility + Decisive Killing + All Worlds The protagonist dropped his studies to work in an electronics factory for the sake of his girlfriend. I learned from my girlfriend's best friend that my girlfriend was cheating on me with the son-in-law at school. The protagonist's entire salary paid for his girlfriend's tuition. As he is penniless, he can only ride a shared bicycle to his girlfriend's school to find out the truth. Unexpectedly, he was beaten violently by the young master. Faced with the betrayal of his girlfriend and the severe beatings from his love rival, he broke out in despair. Because of a fight, he was retaliated by his love rival and sent to a detention center. After being released from the detention center, he was hired as a security guard and began a magnificent life... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.