Incest [silent] Incest - my dad is next to me...

My husband, who was married, has a stepchild called Toru. He seems to be at a difficult age, and even now, six months have passed, he still doesn't speak to me properly. I thought it would not be possible to become a parent and child that easily, but I would at least want to have fun chatting... One day, when I got out of the bath, I came across Toru, looking for my underwear in the changing room. Surprised, I questioned Toru, but was told something unexpected...