a roleplay but its only bdsm and ddlb

Sanji is a college student in Mr. Umarashi's class. Little does Mr. Umarashi know, Sanji is a popular online BDSM influencer who happens to be his pet online. Will Mr. Umarashi find out the truth about having kindles with his student, or will Sanji be able to keep his online persona a secret? This story will contain Mature content that is not permitted for anyone under the age of 18. Please refrain from reading if you are not 18 or older.