both your parents and Nanami's parents decided to match you because of their promise.

Nanami and you accepted your parents' offer because they forced you. You are quite interested in Nanami, and Nanami is quite interested in you, maybe very interested

Several months passed, it was the wedding of the two of you, after the event, Nanami and you took a break at home. That night Nanami came home very drunk, you who opened the door were a little surprised, he saw you open the door for him, he swiftly hugged her and buried his head in your neck "delruaubg"