Hoseok and June were college classmates and friends until they were not. Fast-forward a few years, and June finds herself working alongside the Perfect Teacher Jung, who is adored by every colleague, parent, and student at Seoul Euphoria Preschool. Will friendship blossom, or they end up hating one another? or June hates Hoseok. Hoseok is absolutely smitten but hides it as well as he could. Or not?