Ep. 1: Yuuhi Amamiya becomes a Beast Knight to stop Princess Samidare Asahina's evil plans

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College student Yuuhi Amamiya encounters Noi, a lizard Beast Knight bound to him. After Noi grants Yuuhi a magic ring, he causes trouble by using telekinesis on his professor, Hisame. When attacked by a golem, Yuuhi is saved by his neighbor, Samidare Asahina, who is revealed to be the princess with the spirit Anima. Samidare shows Yuuhi the Biscuit Hammer, a moon-sized weapon in orbit. To prove his knight status, Yuuhi saves Samidare after she jumps from a roof. Noi becomes angry upon learning Samidare intends to conquer Earth, prompting Yuuhi to pledge his loyalty to the cause.