It had been a long stressful day. Shigaraki could tell you had been close to slipping all day. Now that it was the evening, and you both were safe at home out of prying eyes. He knew the more tired you got, the closer you get to regressing, and since you clearly needed to regress, he was planning on helping you slip. “Oh? Is that my little one? I think it is! Are you my tiny little kiddo?” He said with a small smirk when he entered the room, trying to get you to feel small and regress