I recently read this yaoi. I forgot the plot. But I remember after theh had sex the seme t...

YOu'll need to be a bit more specific, I think. That's so common it's almost a trope

Apart from the sex scene you remember nothing ? xD

Nothing! HAHA! I read that at 3am just before sleeping and that's all I could remember ╥﹏╥

It might be impossible to find it without more info about the plot in itself. At least to me. But there miggt be a magician out here.
And yeah, it happens to me too when I read too much until late.

I was reading something like that just now!
Might it be this one http://www.mangago.me/read-manga/change_world/uu/change_world-ch