Kang Yu-jin, a guard with immeasurable abilities, pretends to be a powerless zero while secretly manufacturing guard-enhancing drugs at a pharmaceutical company. He wants to live a quiet, normal life as an office worker, but his peaceful existence is shattered by the sudden appearance of Daniel Miller, a handsome and utterly insane S-Class psychokinetic.
A decade ago, Captain Woojun Kang, an S-tier Esper, saw “Doc” sacrifice himself to save him—no doubt about it. He never even learned Doc’s name. Fast-forward to now, Woojun’s staring down his new S-Tier Guide, Huiwon Chae, who’s a dead ringer for the man he thought was gone. Huiwon draws a complete blank on Captain Kang. Their paths haven’t crossed... or so he thinks.
After humanity triumphs over the dangerous gates, a fragile peace is restored, yet the immense powers of espers become a dangerous double-edged sword. At the heart of this turmoil is Esper Zero, Michael, teetering on the edge of destruction. Enter Adam, a retired soldier haunted by the fractured bonds between espers and their guides.
Ha Jaeil, the strongest Esper who reawakened from C rank to A rank. He's been suffering from severe insomnia due to the lack of a compatible guide. To make matters worse, he refuses physical contact because of past trauma. Then one day, an A rank guide named Seunghyun, with a 98% compatibility rate, appears.
Ji Seojun is an Esper who refuses to have a designated guide due to past trauma. He has only received subpar guiding for the last several years, not only because of consistently low compatibility rates, but because he actively avoids contact with Guides. Faced with the risk of going berserk as his exhaustion reaches critical levels, a Guide with record-high compatibility results miraculously appears.
Mun Yegyeol, once a disciple of Kunlun, died protecting the senior brother he had secretly adored. But he reincarnated in 21st-century Korea as an esper. One day, while traveling with his parents, he was attacked by an anti-esper organization and lost control, going berserk. When he opened his eyes again… he had awakened back in the Central Plains? And the mysterious guide who saved him turned out to be none other than his senior brother from his past life—Je Ha-ryang?
Baek-han, who hates male guides, and Chi-young, who has a crush on Baek-han, he rescued him from the rebels. Even though their feelings are at odds with each other, the two of them become imprinted through simple physical contact.
Guide Yuyoung is no longer interested in dating Esper since he was left heartbroken by his ex-lover. Thus, he decides to date a ‘normal human being’ instead. But as he finds out the person he is seeing is actually an Esper, he runs away.
When monsters show up, espers rise as heroes. But to Doyeong, they're nothing but glorified weapons. However, when Doyeong is dragged into the United Esper-Guide Force Command, he is declared the perfect guide for the two most powerful espers alive: brothers Kangjoon and Yijoon. Thrust into a love triangle shaped by power and survival, Doyeong has to choose who and what he's willing to endure.
It’s the apocalypse, and Seoyoung wakes up in a desolated world without any memories. He wanders around until he comes across Younghyun, an esper with the ability to summon and control fire. The two trek across a city of ruins, trying to recover Seoyoung’s lost memories. But Younghyun seems too familiar with the city as it is. There’s something he’s not telling Seoyoung, and it seems the two used to know each other from before. But he’s all Seoyoung has for now.
Please Let Me Resign