Tập 2: Wolfram xúc phạm mẹ của Yuuri, dẫn đến một cuộc đấu kiếm về hôn ước kết thúc bằng việc Yuuri tiết lộ phép thuật.

While attending a dinner party that the former Queen is holding, Wolfram insults Yuuri's mother by saying she is dirty human and Yuuri reacts to the insult by slapping Wolfram across the left cheek. From everyone's weird reaction to the slap he finds out that this is actually how the nobles of the Demon Kingdom propose. Wolfram then throws his silverware on the floor to challenge Yuuri to a duel to contest the engagement and Yuuri unknowingly accepts by picking up a knife. Yuuri is allowed to choose how they fight the duel and so he decides they should fight through a sumo match. Yuuri wins the match but Wolfram finds this type of fight unfair so he challenges Yuuri to a sword fight. Yuuri manages to win the sword fight also but Wolfram becomes angry and attacks him with magic. Even though no one thinks Yuuri has any magic yet Yuuri seems to transform and summons two water dragons to hold Wolfram back. Seeing the power that Yuuri has, Wolfram finally accepts defeat and accepts Yuuri as the rightful king. (Source: Wikipedia)

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