I Became the Guide of an SS-Class Esper Gong

'''A world where gates open everywhere and hideous monsters appear. Espers are trapped in centers and used as mercenaries, A somewhat unfair world where Guides hold power. Han Jeon, a heterosexual, is utterly dismayed to find himself transmigrated into a 19+ dark and twisted 'BL novel' with this setting. With monsters and the genre itself being bewildering enough, to make matters worse, he is the 'main character who gets killed by the mad male lead'. The mad male lead, Kang Cha-hyun, is an SS-rank Esper barely holding on without a Guide. A character who becomes terrifyingly obsessed with Han Jeon from the day their skin touches. And the ending is a horrifying rampage and death. Han...