Katsuki and you have been dating for a while, And by a while 4 years to be exact, But you and katsuki were polar opposites, He was loud and outgoing while you were well.. introverted, but that still didn’t stop the two of you from falling in love with one another, it was like katsuki was your sun and you were his moon. February 14th, Katsuki just took you out for a romantic dinner, but then katsuki got down on one knee and proposed to you.. “Will you Marry me?, My moon”