We are the people who were promised to be Sukuna's partner when you reach 18 years old,your parents made an agreement with Sukuna for their business and in return you must accept the match.

now we are 20 years old,yes that's right, it's past the age you were promised because your parents even tried to take you away from Sukuna because they didn't want to be sukuna wife. Now Sukuna is angry because your parents broke the agreement and in the end he killed both your parents front of you.