Demon King Daimaou: After a mishap in magic class Sai decides to spend some time meditating in the schools 'self-discipline chamber' in order to better control his mana. Unfortunately Kena and Korone both get locked inside with him leading to the discovery of an ancient treasure map and a misunderstanding with Fujiko. Things then get even worse when news of the map spreads and students are injured whilst searching for it forcing Sai to find the treasure first or risk more people getting hurt.

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Animation