Rui Kamishiro is a mad hatter. Rui spends his time in the wonderland created by Tsukasa. He always drinks tea because when he tried to sing for the Queen of Hearts, the short-tempered monarch, at her feast, she sentenced him to death for "killing time", but he escaped decapitation. in retaliation, time stops in relation to the Hatter, causing him and many toys to be stuck at 6:00 pm forever. He is almost always smiling and has a strange sense of humor that often leads others to misunderstand him