I'm an Extra, so What? - Chapter 21: Dungeon Break

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

Kim Mu-ryeong is the youngest member of a famous exorcist family. He grew up receiving love from his entire family and was considered a genius. The kind that appears once every hundred years. “Mu-ryeong, let me make a request.” After enrolling in high school, Mu-ryeong began to do simple exorcism work. The apartment’s elevator is acting weird. Someone is having constant nightmares. Even things like getting rid of a stalker or acting as a boyfriend. It was more of a problem-solver job than exorcism, But Mu-ryeong, being someone who helped anybody, There was nothing he couldn’t accept. But even for Mu-ryeong, there was one person he avoided… “Ki Hwan-young?” Tall and handsome with a mysterious, intimidating aura, And known for being impolite and having no friends. One day, Ki Hwan-young came to see Mu-ryeong. “My shoulders feel heavy lately.”

Ukei Kaito fought a desperate struggle in order to fulfill his role as a summoned hero. He defeated the Demon Lord and saved the very world, only to meet an end filled but with betrayal. The companions that he’d trusted throughout his journey betrayed him and killed him by sticking a blade through his chest.

After a one-night stand, she faked her death and transformed into his flash-married ugly wife, while he didn't know that she was the woman from that night.Is the ugly wife really so unfashionable and greedy for food and lust? It's all an act. She's only trying to hide her real identity.They survived in the cracks of various schemes. When her hidden identities were exposed, the man's eyes were filled with coldness: “You pretended to be ugly and dumb, are you kidding me?”She smiled faintly: “Didn't you get any joy and pleasure from it?”He frowned: “You deceived me for my looks!”She held her forehead: “I can only blame you for being so good-looking!”He looked as if he wanted to swallow her whole: “I'm not someone to mess with.”She responded calmly: “It's getting late. Time to wash up and go to bed!”