タイツと縄
タイツの日に描いたやつにちょっと加筆https://twitter.com/ryoattoryo/status/793854229030907904/photo/1
そんなにエロくはないけど、一応R-18で

Tights and rope
A slightly revised version of https://twitter.com/ryoattoryo/status/793854229030907904/photo/1

It's not that dirty, but for now I'll mark it R-18