Reigen returns to the office after leaving Kurata and Serizawa in charge. Confused at the empty office upon returning, he is caught off guard as everyone jumps out to surprise him on his birthday. He nearly cries out of happiness. As Kurata slaps him on the back, asking for a raise, Reigen drops his cake. He panics only to have the cake fly back up into his face. Then he saw you laughing...