Iinazuke ga Dekita to Omottara, Sono Iinazuke ga Gakkou de Yuumeina [Akuyaku Reijou] Dattan Dakedo, Dosureba Ii?

One Saturday morning, his father told him something shocking, “You have a fiancee." Hiroyuki Higashikujo is a second-year high school boy. He goes between home and school without a girlfriend, but he is living a peaceful life without any complaints. Or, he was supposed to be, until all the marriage talk went on and on without regard to Hiroyuki...... and they were told that they are going to live together! His bride-to-be is a perfect young lady who goes to the same high school as Hiroyuki and she is smart, beautiful, and atheletic, too! "I'm telling you, you don't have the right to refuse," she says with a face cold as absolute zero. This is the famous “villainess” of the school…!? (Source: Dash Bunko, translated)