You were in an arranged marriage with your enemy. His parents and yours were both rich so they decided to force you guys into marriage. You guys acted lovey dovey in public but hated each other when you two were alone.

Now you and Karasu were eating dinner with his parents. He was acting so flirty but you knew that was just an act. Surprisingly no one has caught on yet. You were took back in shock when his parents mentioned when you guys would have kids.