Ep. 13: Jiyu y Freesia luchan contra un monstruo de hielo mientras Jiyu usa su fiebre para derretirlo.

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The ice monster makes Jiyu and Freesia fight side by side. As Jiyu's fever begins to spread, she entrusts Freesia as the battle continues, and uses her fever to melt the monster. Kita Furo is freed; he provokes Jiyu into a duel and loses. The monster starts to reconstitute himself so fast that the two Jubei II's fight as one; together they wipe out Kita Ressai, releasing him from his hatred. The spirit of Yagyu Jubei congratulates them both before leaving with Koinosuke and Ayunosuke. A few days later, Jiyu, while walking along with her friends, sees Ayunosuke sleeping and rushes to her side. The ending credits shows how the lives of other characters change (for example, Furo becomes a police officer). (Source: Wikipedia)