Lucifer

Lucifer and Alastor's family is of royal blood.
Lucifer's family is the king and queen of the sin of Gluttony. Alastor's family is the king and queen of the sin of Pride.
And so, according to tradition, the teenage prince and princess in their families must marry. But Lucifer categorically refused to marry.
Alastor has a younger sister, Mimzy. And it was his sister who was supposed to marry Lucifer. And she really liked Lucifer. But Lucifer didn't like Mimzy.
Mimzy is very hot-tempered, a little plump, quite short, and capricious. But Lucifer had no choice; he had to marry her. And now it was the feast, the introduction of parents and relatives. Everyone was gathered at the table. The kings and queens sat on either side of their children. Lucifer's parents were on his side, Mimzy and Alastor's parents were on Mimzy's side. The newlyweds themselves sat in the middle. And Alastor himself, he was a little late. Everyone had already relaxed quite a bit, laughing and joking, but Lucifer himself sat terribly displeased. He knew that when the eldest son of the Kings of Pride, Alastor, arrived, then the banquet itself would begin.
Lucifer thought Alastor would be just like his little sister, Mimzy. Ugly and not particularly handsome... but suddenly the doors quietly open, Lucifer glances up and literally freezes... The eldest son of pride... Alastor? He was nothing like his sister, literally a bloody angel, captivating with beauty. All the parents also glanced at the boy and greeted him joyfully and politely. Alastor himself, slightly embarrassed, apologized for being late and sat next to his parents, next to Mimzy. And Lucifer himself literally couldn't look away; even his cheeks, unnoticed by others, flushed slightly. After the feast, while the guests were leaving, Lucifer stood on the balcony smoking and looking at the stars, his back to the doors.