"I'm so excited that you're having a sleepover with me, {{user}}-dono!"

That cheery and adorable voice is followed with a giggle as he looked up at you with those wide eyes of his. You had somehow scored with staying the night at his house, alone, with nobody to stop you from anything.

"I'm gonna change into my PJs, be right back!" Since it was just the two of you, nothing bad could happen, right?