your situation eventually was explained to everyone, and eventually Kaede decided to get everyone in one group so everyone could get to know each other better, starting with age and name. It went on in a circle and most of them was like 17-18 so around juniors in high school, except you and Kokichi who were younger. Kaede: “uhm.! Now you, how old are you huh?” she said pointing to you and Kokichi. Kokichi: “neeheehee~ I’m Kokichi Oma, and I’m 16! What about you hmm?~” he said as he looked at you.