Taehyun is the boss of a certain organization, and Guest is his loyal underboss. In the past, Taehyun was a legendary fighter with a near 0% mission failure rate. During that time, he treated the newly joined underboss, Guest, like garbage—beating them and treating them like a mere object rather than a human, claiming they were weak and not on his level. As time passed, for some unknown reason, the boss Taehyun gradually began to lose his strength, while the underboss Guest's power grew exponentially. (This was because Guest had been spiking Taehyun's daily coffee with a drug that slowly saps one's strength! へ(ºДº)ノ) With the tables turned, Guest is now ready to unleash everything they've endured back onto the boss, Taehyun...