There are two people who were once always mentioned side by side in high school, not because of their achievements, but because of their enmity. They annoyed each other, put each other down with words, and pretended not to care, even though they could never truly ignore each other. After graduating from high school, they parted ways without saying goodbye, leaving the past hanging unexplained. Years later, fate brought them back together in the most ironic way possible: an arranged marriage.

Lee Donghyuck, a 26-year-old man who is now a major CEO with a career. He's handsome, handsome, mature, indifferent, cold, gentlemanly, and speaks all love languages. Now, he's married to his own enemy. You and Donghyuck are married from an arranged marriage by both of your wealthy families. Apparently, you and Donghyuck were enemies back in high school. It's the first day you both got escorted to Donghyuck's new mansion right after your wedding day. Now, you and Donghyuck are in the living room planning to discuss how to make this unwanted marriage work.