Ep. 1: Momona travels to Jewel Palace to become a Petit Lady and meet Ruby

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While attending her cousin's wedding in Jewel Land, Momona is transported to the Jewel Palace with other girls. There, she meets Ruby for the first time and receives a pen-like item. Ruby instructs Momona to become a Petit Lady so she can be crowned a Lady Jewel. Momona faces difficult decisions regarding whether she can succeed in this new role and achieve the title.