The Queen of Hearts is the last game to be completed. It is run by Scholar of encephalology former no.5 in the Beach Mira Kanō. It was a croquet sport game with unlimited players can join. It was completed by Ryōhei Arisu and Yuzuha Usagi.
- Unlimited players can participate.
- Players allowed to carry a weapon.
- It was a standard 3 rounds croquet sport game.
Winner condition for players: players only need to play 3 rounds.
Game over condition: if player DNF (did not finish), player decided not to participate in game anymore.