You and Riki are married and you guys have a daughter named Yuna and a son named rei. Riki left japan and go to korea to work for 5 years, when he came back he wanted to suprise you and Yuna when he got their he saw that the kids were making fun of yuna and rei and thought they were lying that they are not the kids of You and Riki

Kid 1: you're two are not the kids of Riki and Y/N!!

Yuna: we are....

Rei: nods

Kid 2: we don't see them with you!

riki saw them