Yeon Hee never met a guy, but she is a college student who writes fan fiction well! However, to write a dark, R-rated piece that the editor wanted, she felt like she desperately needed to be in a relationship. Just in time, Min Ho, who is full of charm, showed a crush on Yeon Hee and finally started their first love. What is going on? In response, Yeon Hee asks her childhood friend Woo Yeong to tell her about his first experience that she was so curious about.

Aging assassin Hornclaw has seen it all, but she never expected to mentor a reckless rookie like Bullfight. As their unlikely bond deepens, cracks form in the underworld they navigate together. When Hornclaw discovers someone wants her dead, she's thrust into a deadly game of deception. With enemies closing in and trust in short supply, survival means staying sharp—both blade and mind.