TV show availability guide
Unlimited Fafnir
Twenty-five years ago, the world suddenly changed when monsters called “Dragons” appeared; seeking to ravage the earth and find mates. Over time, superhuman girls possessing the powers of the dragons, called “D girls” were born. Yuu Mononobe is the only male “D” in existence and is forced to enroll at Midgar - an academy for D girls. At the academy, he accidentally runs into Iris, a delinquent D girl, while she’s naked, and even reunites with this long lost sister, Mitsuki, whom he was separated with at birth. Will Iris and Yuu, the boy who is supposed to become the strongest assassin, be able to challenge the seven dragons that threaten to destroy the world?
- Action & Adventure
- Animation
Viewing market
Country-level availability
Where to watch in United States
2 platforms currently listed across all viewing options
Data checked 2 Nov 2026, 13:05 UTC
Included with subscription
2Streaming providerCrunchyrollNo linked platform guide yetDetails unavailable Streaming providerCrunchyroll Amazon ChannelNo linked platform guide yetDetails unavailable
Series schedule
Seasons and episode dates
A concise series timeline, including the latest aired episode and the next date currently listed.
- First aired
- Seasons
- 1
- Episodes
- 12
- Status
- Ended

Latest aired episode
Unlimited Fafnir
Yuu defeats Kili in a fight to decide Tear's fate. As part of the agreement, Yuu's plan to destroy Basilisk goes forward and Yuu orders Kili to live on as a human. Kili kisses Yuu as she leaves asking him to show his superiority by defeating Basilisk. Mitsuki devises a strategy to defeat Basilisk with all possible fallback scenarios planned out. The students drop with the Mistileteinn and protect it from the first catastrophe beam discharge by Basilisk's third eye, but with the discharge having come much sooner than anticipated that the third eye had time to fire the catastrophe beam a second time, which destroys Mistileteinn. However, the blast creates an opening for the students to disable the third eye and immobilize Basilisk, allowing Yuu to destroy Basilisk using Babel. The students return to Midgar as Mitsuki's outlook on life has changed to a more optimistic one and Yuu tells Iris about his memory loss as a condition for using Babel, and Iris vows to stay with him.
Next listed episode
No upcoming episode date is currently listed.
Season guide
Most recent seasons first
Season 1
12 episodes
First episode aired
About these dates: Air dates describe the series schedule and may change. They do not confirm that an episode is available on the same date from the providers listed above.
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