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Ushio Kofune (小舟潮, Kofune Ushio) is a 17-year-old girl living in Hitogashima. She lost her life in a maritime accident while trying to save Shiori from drowning in the sea. She loves her childhood friend Shinpei, but has yet to express her feelings for him.


Ushio is a young woman with fair skin and a curvy athletic build. She has long blond hair that reaches down to her waist and blue eyes. Her eyebrows and eyelashes are noticeably blonde as well.

One of Ushio's signature outfits is a dark navy blue one-piece swimsuit with white shoulder straps. Ushio also wears an oyster shell pendant around her neck.



On July 17th, while Ushio and Mio shop at Kobe Mart, Shiori shares that she was followed by a look-alike. Ushio believes this was just a creep and tells her to report it to Tetsu Totsumura, however Shiori is disappointed that they don't take her seriously and states that he won't be able to do anything.

On 18th, Ushio helps with cleaning the beach. She sees a flash and as she turns, she sees her shadow. She tries to follow her, but loses her. She goes to Shiori and tells her that she believes her.

At home, Mio thinks that Shinpei will come this year, but Ushio states she doesn't care and can stay in Tokyo forever, however, Mio then teases her that she doesn't mean it as she loves him. Ushio then heads to take a bath, but finds Shadow Ushio in it. Ushio tries to call Mio, but Shadow Ushio stops her. She explains that she is Ushio Kofune and came back to her house, but hid as she saw Ushio with Mio. The two of them then think the other is the Shadow, but then realizes that if Shadows are real, then Shiori's Shadow is somewhere on the island. They recall that Shiori mentioned she saw her Shadow for the first time on Mount Takanosu and agree to investigate it.

The two head in the mountain, but are unable to find anything. Shadow Ushio then sees a sign, stating its dangerous ahead and they decide to proceed. They reach the old Hishigata family clinic, which had rumours to be haunted, making everyone avoids it. Shadow Ushio has a weird feeling of being there before. They hear some noise and see a Shadow holding a crow. The Shadow then flashes and copies Ushio. The third Ushio attacks them and pins Shadow Ushio to a tree. Ushio attempts to attack the third Ushio, but her attacks has no effect. She ends up hitting her shadow by accident, which hurts the third Ushio, who then kicks Ushio away. Third Ushio then stabs Shadow's Ushio shadow, injuring her leg. At first Shadow Ushio is surprised, but then figures that a Shadow's weakness is their flat shadow, which would mean she isn't a human. Shadow Ushio then uses her hair to cut third Ushio's arm and free herself. As third Ushio runs, Shadow Ushio follows her realizing that her real body is the shadow and the projected body is a weapon to protect the real body. She catches up to third Ushio and slashes her shadow, killing her. Ushio tells Shadow Ushio that she is cool. Shadow Ushio then flashes and updates her data, copying her data on her healthy foot and heals her own foot. Shadow Ushio explains that she will eventually disappear, but if she kills the original, she will become the original. Her instincts tell her to kill Ushio, and normally she would have done it by now. Ushio realizes why its said that you will die if you see your Shadow and that Shiori is in danger.

On 21st, at the beach, Shadow Ushio copies Ushio in her swimsuit. Ushio asks Shadow Ushio if she can become her shell necklace and Shadow Ushio turns into it. Ushio then puts on the necklace and takes the real one to her bag. While distracted by Akari, Shiori ended in the water and is drowning. Shadow Ushio tells Ushio that she senses a Shadow under the water. Mio leaves Akari to Tokiko and wants to go and help her with Sou, but Ushio stops them and asks them to leave it to her. Ushio jumps in the water and swims to Shiori, who is being dragged deeper underwater by Shadow Shiori. Shadow Ushio turns back to her Ushio form and slashes Shadow Shiori's arm. She grabs Shiori and heads to the surface, but Shadow Shiori's arm is still on her and surrounds them with shadow arms, immobilizing them. Ushio pulls Shadow Shiori out of them, but Shadow Shiori starts strangling her. Ushio tells Shadow Ushio to ignore her and continue to save Shiori. Moments later, Shadow Shiori catches up to Shadow Ushio, wanting them to stop and Shadow Ushio sees Ushio's body falling down towards the bottom. Shadow Ushio slashes Shadow Shiori, but Shiori manages to grab her and realizes that Shadow Ushio is faulty. She attempts to fix her, but as she senses that Mio and Sou are coming, she releases Shadow Ushio who starts falling towards the bottom, erases Shiori and then acts unconscious for Mio and Sou to save her.



  • The name Ushio means "tide, ebb, opportunity" (潮).
  • Ushio's surname Kofune means "boat, small craft" (小舟).


  • She is half-french and half-japanese.