Looking for yaoi manga title!

does anyone know where there's a yaoi manga where i think the seme is a dad and the dad has a kid and the uke is a person named oka-san?

They didn't want the kid to know about their relationship, but he already did.

And the kid purposely called the uke "okaa-san" to provoke both the father and oka-san. xD

I read it before i got an account, so i can't track it right now（￣へ￣）
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Arigatou in advanceヾ(❀╹◡╹)ﾉ~