Did some digging and best I can find is that was true in the webnovel but not the light novel which is what the anime is based on so he was not a pedophile in the modern incarnation, it was changed to just regular porn. The scene in anime shows a leg of someone in a bathroom.

This happens a lot with Webnovels being more raw and eye-catching but then being more refined when a light novel is made. Look at Overlord and the difference in Webnovel and Light Novel in Arche