Ep. 15: Shion confronts the Masked Ghost, uncovering Yuya Karasumori's identity during a high-stakes card duel.

Shion learns of the Masked Ghost, a fighter stealing avatar cards, after reconnecting with Yuya Karasumori. Following a fencing spar and a tip from Ryota, Shion tracks the Ghost to a warehouse where Ryota has already lost his card. Shion challenges the Ghost to a duel with a unique condition: he must remove twelve triggers from his deck, but victory forces the Ghost to return all stolen cards. During the match, Shion reveals the Ghost is Yuya, who explains his motives. Despite the significant handicap, Shion defeats Yuya, who flees and leaves the recovered cards behind. Although Shion misses his scheduled professional fencing training, he feels no regret and remains hopeful for future opportunities.

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