Yu-Gi-Oh!, but with duel therapy for troubled children! (1-173).

Summary

Ousaka Shion discovers crucial information about the Ark, including an image of a blue-glowing golden cube labeled ARK.jpg and a garbled monster card name. Bai Luo realizes that the Ark resembles a Rubik's cube and believes it to be a powerful weapon capable of world destruction. Shion is initially skeptical but recalls similar warnings from others, causing her to waver in her disbelief. Bai Luo reassures her that he will handle the situation. The next day, Bai Luo heads to the academy, where excitement about recent duels fills the air. He becomes the center of attention due to rumors about his relationships and students wanting to join his class. Upon entering the Seven Flames of Fury club, he finds members strategizing around Tian Long You Guang, who challenges him to a duel. Bai Luo reluctantly accepts, realizing the students have been studying his strategies while skipping class.

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