When I came home it was placed at the front of the entrance.

Koishi... If that's the case then this child definitely isn't ours.

You're wrong! This child is ours!

The stork brought it to us because Sis and I are in love!

Waah! It's our child!!

Shall I search for the real parents?

Yes.. Please do.

It's certainly true that she didn't say that she herself gave birth.

Bird brain

Our baby has been born, Sis!!