Overworked and Overloved

When ordinary man Mooyeong awakens as an A-rank guide, he is shocked to find out he has been paired with his long-lost first love from high school: the elite S-rank esper Yoohae. Although Yoohae is delighted about their reunion, Mooyeong is determined to keep their relationship a professional one. And thus begins an endless amount of "work" as a guide. While it's standard protocol for guides to heal through physical intimacy, Yoohae's demands are obsessively intense, pushing Mooyeong to his limits. Is this so-called business relationship going to work out?