Ep. 4: You Don't Even Need Magic!? / What Kind of Person is Dad?

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You don't even need Magic!?: Airi's older brother Sakutaro wanted to prove that everything in the world isn't about magic and can be solved by science. He develops a mechanical pet that can be as reliable as a Jewelpet, but can it hold up to Ruby and the others? What kind of person is Dad?: Luna tries to find out and guess what kind of person Airi's father is and regarding to the Magical Change Stone Airi had. With all she knows that he is in a business trip, she and the others decided to guess how did he look like.. (Source: Wikipedia)