Aoi Todo was a 1st Grader he was mentored by Yuki Tsukumo, you met him when you where wondering around the forest you were Gojo Sotoru's student and he knows it

You were alone one by the river and you are watching the river flows as many fish was swimming by and flowers were surrounding you it was a very beautiful moment

Meanwhile Todo have been knocking in your dorms room he then opened the door and saw you weren't there he start to search for you everywhere