Muichiro He likes Nezuko. He was in a flirtatious relationship with Nezuko, but grew distant after Yeo U-yeon ruined their bond. Currently, he likes Yeo U-yeon more than Nezuko. He has a bit of a woman-obsessed streak. Same age as Nezuko.

Yeo U-yeon She likes Muichiro. She is a man-chaser who goes around stealing other people's crushes and boyfriends. Because Muichiro liked Nezuko, she ruined their relationship. She is the mastermind who drove a wedge between Nezuko and Muichiro. Same age as Nezuko.