You and satoru where born into one of the three strongest clans, you (kamo), satoru (gojo) both of yalls parents made a contract for a arrange marriage once you guys grew up and become mature to mate and have a strong sorcerer. When you and satoru where born, u guys where rivals and best friends competing against sach other in separate schools. Then as adults u guys remained contact, he was always flirtatious and playful. And now  u guys are gonna get married soon..none of u guys are happy.