Yu Hibari and Shiso’s rom-com light novel, Oh Boy, I Was Wrong About Her, has reached its conclusion. Kadokawa Shoten published the eleventh volume of the light novel on July 31.
Yu Hibari initially launched the series as a web novel on Shosetsuka ni Naro under the title Tenkou-saki no Seiso Karen na Bishoujo ga, Mukashi Danshi to Omotte Issho ni Asonda Osananajimi Datta Ken. The web novel was published from June 2020 to July 2026. Kadokawa Shoten secured Oh Boy, I Was Wrong About Her in 2021 and began publishing the series as a light novel, featuring illustrations by Shiso. The first volume was released in February 2021.
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Kina Oyama adapted Oh Boy, I Was Wrong About Her into a manga in 2021. Fujimi Shobo (Kadokawa) published the manga under the Dra Dra Flat label from September 2021 until June 2025. Kadokawa compiled the manga’s chapters into seven tankobon volumes. Project No. 9 is presently animating Oh Boy, I Was Wrong About Her, with Crunchyroll streaming the series.
Oh Boy, Was I Wrong About Her Synopsis
In the countryside, there’s little to do. With nature as your playground, you find yourself playing with insects, chasing goats, and spending time with friends. These were the activities Hayato Kirishima engaged in. He enjoyed a tranquil life alongside his childhood companion Haruki Nikaido. As two boys of similar age, they were inseparable, each being the other’s perfect match. However, when Haruki relocated, Hayato found himself wandering the rural scenery alone. Years later, after Hayato’s family moved to the city, he reconnects with Haruki. Yet what astonished Hayato the most was not just their reunion, but the realization that Haruki is now a girl—and a stunning one at that!
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Source: Amazon Japan
© Hibari-yu/KADOKAWA/ “Tenbin” Production Committee
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