Limnosexual is a sexual orientation on the asexual spectrum where ones attraction is only piqued by depictions of sexual acts (eg drawing, writing, etc.) but not on the acts themselves in real life.
The romantic counterpart is Limnoromantic.
Flag
Limnosexual was coined on August 5, 2014 by tumblr user flynneleh via MOGAI-Archive[1]. The flag was created before August 30, 2015 by pride-flags-for-us[2]. It was posted on that date by Pride-Flags on Deviantart[3].