Tenkō-saki no Seiso Karen na Bishōjo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi Datta Ken

Tenkō-saki no Seiso Karen na Bishōjo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi Datta Ken (転校先の清楚可憐な美少女が、昔男子と思って一緒に遊んだ幼馴染だった件) is a Japanese romantic comedy light novel series written by Yu Hibari and illustrated by Shiso. It began serialization online in June 2020 on the user-generated novel publishing website Shōsetsuka ni Narō. It was later acquired by Kadokawa Shoten, who have published seven volumes since February 2021 under their Kadokawa Sneaker Bunko imprint. A manga adaptation with art by Kina Ōyama has been serialized online by Fujimi Shobo via Niconico Seiga website as part of the Dra Dra Flat brand since September 2021 and has been collected in five tankōbon volumes. An anime television series adaptation has been announced.

Characters

 * Hayato Kirishima (霧島隼人)


 * Haruki Nikaido (二階堂春希)

Light novels
Written by Yu Hibari, Tenkō-saki no Seiso Karen na Bishōjo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi Datta Ken began serialization online on the user-generated novel publishing website Shōsetsuka ni Narō on June 13, 2020. It was later acquired by Kadokawa Shoten, who have published it as a light novel with illustrations by Shiso since February 27, 2021. Seven volumes have been released as of December 2023.

Manga
A manga adaptation illustrated by Kina Ōyama began serialization by Fujimi Shobo on the Niconico Seiga website under the Dra Dra Flat brand on September 2, 2021. Five tankōbon volumes have been released as of July 2024.

Anime
An anime adaptation was announced during Kadokawa's "Sneaker Bunko 35th Anniversary Festa!" livestream on September 24, 2023, later revealed to be a television series.