Tsuma no Nakami wa Kodomo no Mamadatta Nodearu.

It's suppose to be an innocent newlywed life, but there is a big problem. My wife, who still has the mind of a child, doesn't know anything about adult matters! Even though we're husband and wife, I can't force her to do it, and I don't know how to explain it to her... Look at how they're jiggling a