The Duke's Scoundrel Omega

Ian Pearl Ruben, the youngest son of the Ruben family, also known as the 'Duke's Scoundrel Omega.' A fifth life found after four regressions. Life Round 5, this time I will definitely have a happy ending! The first thing to do is to break off the engagement with Crown Prince Theor. I thought he would be happy to accept it, but... "There will be no annulment. Denied." Huh? Why did his attitude change? "I have only been waiting to be appointed as Sir Ian's guardian knight." "If you have nowhere to go, come to me, Ian. You are welcome anytime." "Please become the partner of Samhain." And Peter, the Imperial Knights Commander who beheaded Ian by Theor's order. Lucian, the Dragon Royal Prince...