

In the Name of the Mermaid Princess
Mio no Na no Moto ni
Overview
Princess Mio is betrothed to Prince Chika. However, they’ve never met, and he doesn’t know her secret—she’s a mermaid! When her tutor, Yuri, takes her out of the castle to meet her subjects, Mio begins to accept her true self. But Yuri has a secret too… And when Mio tells her father, the king, she wants to live life openly as a mermaid, he punishes her. How can she stay true to herself? (Source: VIZ Media) Note: Chapter count includes seven additional chapters, one in each volume.
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Episodes · 13
Another Kudo Residence
While out shopping, Miyo has a chilling vision -- only to be surprised by her future father-in-law, who invites her and Kiyoka to their countryside estate. (Source: Netflix)
A New Ordeal
Unhappy with her son's engagement, Fuyu commands Miyo to perform housekeeping duties; Kiyoka makes a shocking discovery at an abandoned house. (Source: Netflix)
The Gifted Communion and Demons
Miyo's abusive family deems her worthless, but together with her powerful husband-to-be, her true self and hidden powers begin to shine. (Source: Netflix)
What the Autumn Breeze Brought
Upon returning to the capital, the group has an unsettling encounter with Naoshi Usui. Kiyoka assigns Miyo a bodyguard; the dashing Kaoruko Jinnouchi. (Source: Netflix)
Deep Within the Heart
Miyo overhears soldiers disparaging Kaoruko and defends her friend. Later, she has a troubling nightmare. Is it just a dream or a glimpse into the future? (Source: Netflix)
The Man Called Naoshi Usui
As Kiyoka rushes to meet Arata at the imperial family's vacation estate, Usui surprises Miyo and her guards at the dojo, revealing a traitor among them. (Source: Netflix)
A New Year's Commotion
After a tender New Year's Eve, Miyo and Kiyoka make their first shrine visit together. Meanwhile, Takahito learns of growing unrest in the streets. (Source: Netflix)
An Evening Banquet and Distant Snow
At a surprise gathering, Hazuki and her guests share their thoughts on love. Later, Miyo's worries grow after learning of Takahito's ominous vision. (Source: Netflix)
Dream Tidings
While Kiyoka's unit investigates a strange demon, the Gifted Communion makes a ruthless move. Miyo enters a foreboding dream where a young Usui awaits. (Source: Netflix)
Promise
Determined to save her fiancé, Miyo sneaks out and runs into a young boy with a familiar face. Later, she dreams of a tragic promise from the past. (Source: Netflix)
A Resolute Departure
After awakening from her dream, Miyo begins gathering allies for the rescue mission. Will her blossoming powers be enough to save Kiyoka and stop Usui? (Source: Netflix)
Feelings Beyond Dreams
In the final battle, Usui overwhelms Kiyoka, trapping him in a terrible nightmare. Desperate to prevent more bloodshed. Miyo dives into the dream. (Source: Netflix)
Once Spring Has Come
After the battle, Miyo confides in Arata about her regrets. Kiyoka makes a big life decision. Later, Hazuki surprises Miyo with a heartfelt wedding gift. (Source: Netflix)
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🎬 Trailer
Characters & Voice Actors

Mio
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Yuri Ban
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