The Oh Boy, I Was Wrong About Her Light Novel Has Ended

Yu Hibari and Shiso’s rom-com light novel, Oh Boy, I Was Wrong About Her, has ended. Kadokawa Shoten released the light novel’s eleventh volume on July 31.

Yu Hibari originally released 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 released from June 2020 to July 2026. Kadokawa Shoten acquired Oh Boy, I Was Wrong About Her in 2021. The publisher began publishing the series as a light novel with illustrations by Shiso and released the first volume in February 2021.

Kina Oyama adapted Oh Boy, I Was Wrong About Her into a manga in 2021. Fujimi Shobo (Kadokawa) released the manga under the Dra Dra Flat label between September 2021 and June 2025. Kadokawa bundled the manga’s chapters into seven tankobon volumes. Project No. 9 is currently animating Oh Boy, I Was Wrong About Her; Crunchyroll streams the series.

Oh Boy, Was I Wrong About Her Synopsis

There’s not much to do in the country. Out in the sticks, you’re limited to playing with bugs, chasing goats, and hanging out with other kids your age. And those were the things that Hayato Kirishima did. He lived a peaceful life with his childhood friend Haruki Nikaido. As two boys of the same age, they were inseparable; each was the other’s better half. But when Haruki moved away, Hayato roamed the countryside on his own. Years later, after Hayato’s family moved to the city, he reconnects with Haruki. But it wasn’t the fact that they reconnected that surprised Hayato so much; it was the fact that Haruki is a girl! And she’s hot!

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Source: Amazon Japan
© Hibari-yu/KADOKAWA/ “Tenbin” Production Committee