Nam Dong-Gyun is a shy, insecure university student who struggles with his self-image and confidence. Initially captivated by the online persona BJ Alex, he becomes entangled in a complicated relationship with Alex’s real identity, Ahn Jiwon. Throughout the story, Dong-Gyun grapples with his feelings of inadequacy but grows stronger emotionally, learning to assert himself, set boundaries, and seek genuine connection beyond mere physical attraction.