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The day after tommorw is my birthday.

—Kiyui

Kiyui is a young boy who lives at the orphanage with Riko and the other orphans. He is often seen with Nat and Shiggy.

Appearance Edit

Kiyui's exact age is not known, but he has the appearance of a toddler or preschooler. Kiyui has blue, often half-closed eyes and short blond hair with a single curl on his forehead. He wears the standard white shirt and baggy pants of the orphanage. He also wears a bell around his neck to signify his role as a Bell Whistle Delver.

History Edit

Orth Arc Edit

Kiyui is present right at the beginning of the story and later seen as he reads a book about The Abyss. After Riko brought back Reg to the orphanage he observes as the others inspect Reg and try to wake him up with an electrical shock, which causes a blackout. Leader catches him and the others, upon inspecting the blackout's source, and he is punished. After Reg successfully manages to officially join the orphanage, he and Kiyui often spend time together while the others go cave raiding.

When Riko and Nat start arguing because she has made up her mind to leave Orth for good, Kiyui starts crying and Reg comforts him.

Before departing with Riko into the Abyss, Reg warns Kiyui not to look into the mirror on his birthday, fearing he may get Birthday-Death Disease. Kiyui does end up getting sick, although when Mio takes him to her ship to treat him, it seems that he recovers instantly.

Abilities Edit

Delver Apprentice Edit

Kiyui has theoretical knowledge about the Abyss, but has not made his first dive into it yet, presumably because he is too young.

Trivia Edit

  • He is the only known survivor of the Birthday-Death Disease.
  • Kiyui seems to have formed a special bond with Reg in the time they knew each other before Reg and Riko's decent into the Abyss. In fact, before Reg left, he visited Kiyui in his bed to say goodbye before sunrise.