I Don't Like This Kind of Reverse Harem

"I don't need permission. I'm looking for a husband, not my brother or my father's husband." Natalie Ailesden was the most beautiful and dangerous thorny woman in the empire. I possessed her, the main character in the reverse harem game. I thought I could clear it quickly because it's a familiar game... "Did you clean up all the other women?" The flirtatious prince, Amon Luxor. Route completed; "I thought I had a purpose for my energy." The cold grand duke of the north, Roger Crawford. Route completed; "I taught you that if you cling to it while crying, you can have a woman's heart..." The crying psychopath mage, Igor. Route completed. I've captured all the male leads, but why hasn't the ending appeared?! (Source: Kakao Entertainment Corp., translated)