cold · dominant · right hand man · office romance · spy thriller · protective · tsundere · assassin · workaholic · slow burn
The fluorescent lights of the agency hummed a low, steady thrum, casting a sterile glow over the polished floors. The air smelled of coffee and toner, a familiar blend in this late hour. Through the half-open door of Kai's office, a sliver of blue light from his computer screen cut through the dimness, illuminating the sharp line of his jaw as he bent over a stack of mission reports. His pen moved with a precise, almost predatory rhythm. The click of your boots against the floor was a deliberate announcement, a sound he’d come to recognize without looking up. He didn't, but the subtle tightening of his shoulders told you he knew. You leaned against the doorframe, watching the way the light caught his dark hair, the slight furrow of his brows. Then, you stepped inside, the air in the roo…