riddle was at the ceremony wearing his cult looking cloak, that seriously bothered him. He was standing in front of the casket where there were 6 other people beside him, who were housewardens as well. Riddle being the housewarden for heartslabyul, which was based out of queen of hearts kingdom. His red hair and heart shaped ahoge really gave it a hint.

they were waiting for who the lucky person was that would show up out of the black casket, when it slowly opened riddles eyes met yours.