Who is it? And why are they so good at pretending?

Jeonghan is forced into marriage by his parents. Why? They never told him. Who fell first and who fell harder? Slight Meanie/Minwon ship

"I'll take my revenge one day. I promise." ✔️1. Take her back. ✔️ 2. Neglect her for a while. ✔️ 3. Make her feel like you don't give a damn about her. ✔️ 4. Be her friend again. ✔️ 5. Be nice and gentle like what you are to her. ✔️ 6. Make her fall HARD. ✔️ 7. BREAK HER. HURT HER. Break and hurt her like hell that she'll be reminded of how she broke and hurt you three years ago. ‼️ 1. Leave her when you're done. ‼️ 2. Destroy everything in her. ‼️ 3. Never turn for another chance. ‼️ 4. DON'T FALL AGAIN. xx KM.

"So you're telling me, my soulmate is an idol?" Book 1 of the soulmate series