A teaser visual featuring Nikaido Haruki in a white dress.
(C) Hibariyu/KADOKAWA/ “Tenbin” Production Committee
The light novel “The Innocent and Beautiful Girl at My New School Turns Out to be My Childhood Friend Who I Used to Play With, Thinking He Was a Boy” (abbreviated as “Tenbin” / KADOKAWA), which was in the process of being adapted into an anime, has been announced for a 2026 TV anime adaptation. A teaser visual and teaser trailer have been unveiled.
Ikumi Hasegawa
It was also announced that Ikumi Hasegawa will play the lead role of Haruki Nikaido.
The story is a youthful romantic comedy that begins when Hayato Kirishima, who transfers from the countryside to a high school in the city, reunites with his childhood friend and former “male friend,” Haruki Nikaido.
Full comments from those involved with the original work and a celebratory illustration are below.
[Hibariyu (original work)]
Ikumi Hasegawa
It was also announced that Ikumi Hasegawa will play the lead role of Haruki Nikaido.
The story is a youthful romantic comedy that begins when Hayato Kirishima, who transfers from the countryside to a high school in the city, reunites with his childhood friend and former “male friend,” Haruki Nikaido.
Full comments from those involved with the original work and a celebratory illustration are below.
[Hibariyu (original work)]
Is there a good real-life location for the background of the teaser visual? When the idea came up, I immediately sent a photo of this place. When I first started writing Tenbin, I was writing about rural landscapes, and I thought this was the perfect image for it, so I took a photo of a rural scene in Nara. (There are no sunflowers in actuality in the picture, though…) It’s quite moving to see it used as the teaser visual! It’s a work that’s packed with all my love. I’m looking forward to it airing. Meow!
[Shiso (original illustration)]
(C) Hibariyu/KADOKAWA/ “Bamboo” Production Committee
Asmik Ace
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“The Innocent and Beautiful Girl at My New School Turns Out to be My Childhood Friend Who I Used to Play With, Thinking She Was a Boy” Teaser PV / TV anime adaptation confirmed for 2026! #Libran #shorts #IkumiHasegawa
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