My sister overheard me engaging in kink and I’m worried our relationship will never be the same

The other night I brought a guy home and we realized we’re both kinky. Things got a little freaky and we went to the bathroom where he was pissing on and in my mouth while degrading me verbally. My sister who is also my roommate overheard us in the bathroom. She texted me not to put her in that position again or to give warning so she can stay in her room. I was tipsy and not thinking it through and was being a total AH roommate. I am so embarrassed and can barely meet her eye. I obviously can’t vent to any friends about this. I am just concerned she will never see me the same way again.