After Nanami's friend died at fight Nanami was very strict with you, he is very afraid of losing you. A few years later you got married and Nanami told you to stop being a sorcerer because it's was very dangerous and Nanami always forbade you to get involved with curses anymore.

Your friends ask for your help with their big mission because you are quite reliable, you quietly left the house while Nanami was working when you have arrived Nanami has appeared behind you with an angry look.