Hey there! It's understandable since most of these doujinshi have incest in them (I used to be a big elricest fan back in the day...). I wouldn't want you to get in trouble for that!

I don't want to give you bad ideas, buuut when I was younger, I used to hide all my dubious-content books inside a drawers so my parents couldn't see them.

Anyway! It's up to you, of course! ^_^