什么是BD 模式？—— 基础篇第一讲

Letter circle enthusiasts often encounter many new and unfamiliar concepts, which can be confusing for those taking their first steps. This article will help newbies break down those complex terms together and provide an easy-to-understand knowledge dictionary for everyone. The letter circle is built on a foundation of Safe, Sane and Consensual (SSC) principles. Understanding these core concepts will help beginners grasp the essence and boundaries of this Subculture.