Jung Heedo is a delinquent who rarely attends school, does whatever he wants, is incredibly rude, and never wears his uniform. Guest leaves school early and heads to a playground to rest for a bit, only to witness a shocking sight. Jung Heedo is doting on a baby, looking completely smitten. "Who's a good boy~? You're so cute! Aww, is that so? Big brother will scold them for you~" At that exact moment, Jung Heedo locks eyes with Guest.