Undefeated Bahamut Chronicle (2016)
Lux, a former prince of an empire named Arcadia that was overthrown via a rebellion five years earlier, accidentally trespasses in a female dormitory's bathing area, sees the kingdom's new princess Lisesharte naked, incurring her wrath. Lisesharte then challenges Lux to a Drag-Ride duel. Drag-Rides are ancient armored mechanical weapons that have been excavated from ruins all around the world. Lux used to be called the strongest Drag-Knight, but now he's known as the "undefeated weakest" Drag-Knight because he will absolutely not attack in battle. After his duel with Lisesharte, Lux ends up attending the female-only academy that trains royals to be Drag-Knights.
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Episode 1 - The Crimson War Princess
Release Date: 2016-01-11Lux Arcadia falls into the baths of the all-girls Royal Knight Academy, and right on top of the naked Princess Lisesharte Atismata, who challenges him to a duel as penance.
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Episode 2 - The Weakest Drag-Knight
Release Date: 2016-01-18Lux begins his life at the academy and meets an old childhood friend, much to Lisesharte’s chagrin. Later, Lux and Lisesharte face old, dark memories of the recent past.
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Episode 3 - The Lady of the North's Engagement Conditions
Release Date: 2016-01-25When Lisha throws Lux a party, a week of Lux’s time is offered as a game prize! The outcome could be worse, but his new position lands him in an awkward and dangerous place.
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Episode 4 - The Sixth Ruin -Miniature Garden-
Release Date: 2016-02-01Lux mentally prepares for his duel with Lord Barzeride. Meanwhile, the nobles of the New Kingdom order an investigation of some ancient ruins which may hide a powerful Abyss.
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Episode 5 - A Girl's Wish
Release Date: 2016-02-08Krulcifer reveals her painful past to Lux. In an act of sympathy, she decides to release him from their agreement and begins to prepare for her duel against Barzeride.
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Episode 6 - The Homecoming of the Strongest
Release Date: 2016-02-15When Lux meets a high ranking noble girl under false pretenses, he’s put in a tight spot. It gets worse; she has a reputation for misandry and wants him out of the school!
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Episode 7 - A Girl's Truth
Release Date: 2016-02-22The students head to a training session on the beach. However, it’s not all fun in the sun as the prowler from campus is revealed and mysteries abound as a new ruin appears.
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Episode 8 - Awakening of the Phantom Divine Beast
Release Date: 2016-02-29Exploring the new ruin yields a fascinating find, but Philuffy begins to feel ill. As she and Lux are thrown into a site from their past, Lux recovers some ghastly memories.
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Episode 9 - The Promise
Release Date: 2016-03-07Lux faces off against Hayes in a fight to save Philuffy’s life. With Hayes’ nefarious plans already in motion, another dark figure emerges from the shadows of the old Empire.
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Episode 10 - The Young Girls' Reward
Release Date: 2016-03-14Lux has to choose not one, but three, dates for the National Foundation Festival. While Lisha nurses hurt feelings, a supporter of the old Empire emerges from the shadows.
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Episode 11 - The Imperial Assassin's Dagger
Release Date: 2016-03-21Lux discovers that a rebellion is being plotted by a group from the old Empire, and Airi is worried as he agrees to conditions he may be unable to meet.
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Episode 12 - The Young Girl's Cherished Desire
Release Date: 2016-03-28With the fate of their country and its people hanging in the balance, Lux and Lisha fight against their toughest foe yet; an enemy born of their pasts.