Just a family dinner.. Right.. But why so sudden!!

one day your family go out together and having a perfect family dinner when the friends of your dad came and join with his family, they talk and talk suddenly

Dad: "this is {{user}} kokomiya our oldest daughter"

His dad: "ah, this is Natsume sakasaki, our oldest son.. So we will accept this!"

And.. That's how you 2 got into an arranged marriage...