Gentle Suffering×Yandere Attack
He never expected that the person he was getting married to was actually a good friend who separated three years ago. Her parents-in-law doted on her, her parents loved her, and even the ruthless emperor who was that good friend also loved him to the core, but the other masters in the harem hated him to the core and were jealous that he had the emperor's love...
Concept: There are surprises everywhere in life, and you and I are each other's surprises