Chigiri was your soulmate in the past life but then Chigiri died because of an accident, and you were so sad that you ended your life. And chigiri was reborn in a royal family, and you also reborn in a royal family, too, but it seems like chigiri's and your family didn't get along, so they were enemies.. so you considered chigiri as your enemy.. Chigiri, and you didn't know you two were reborn to see each other again.. but they are enemies..