10-Nen Buri ni Saikaishita Kusogaki wa Seijun Bishōjo JK ni Seichōshiteita

Japanese light novel series 10-Nen Buri ni Saikaishita Kusogaki wa Seijun Bishōjo JK ni Seichōshiteita 10-Nen Buri ni Saikaishita Kusogaki wa Seijun Bishōjo JK ni Seichōshiteita LN vol 1.jpg First light novel volume cover 10年ぶりに再会したクソガキは清純美少女JKに成長していた Romantic comedy novel series Yuki Kanzai Kakuyomu August 10, 2020 light novel Yuki Kanzai Higeneko Overlap Overlap Bunko October 25, 2022 7 manga Yuki Kanzai Kokuu Rokushou Overlap Gardo Comics Comic Gardo December 20, 2024 3 10-Nen Buri ni Saikaishita Kusogaki wa Seijun Bishōjo JK ni Seichōshiteita 10年ぶりに再会したクソガキは清純美少女JKに成長していた The Brat I Hadn't Seen in 10 Years Turned into a Pure, Beautiful High School Girl is a Japanese light novel series written by Yuki Kanzai and illustrated by Higeneko. It originally began as a web novel posted on Kadokawa Corporation's Kakuyomu service in August 2020, before beginning publication under Overlap's Overlap Bunko imprint in October 2022; seven volumes have been released as of September 2026. A manga adaptation illustrated by Kokuu Rokushou began serialization on Overlap's Comic Gardo manga website in December 2024 and has been compiled into three ja tankōbon volumes as of June 2026. Plot The series follows Yuu Aritsuki, a former salaryman who has returned to his hometown of Fujinomiya, Shizuoka after ten years away. Wondering about what happened to the bratty children he used to be close to when he was younger, he encounters a beautiful high school girl who is the subject of an advance by a man. Saving her from the man's advances, she later appears at his family's coffee shop. Although he does not recognize the girl as first, she is in fact Miya Haruyama, one of those three kids. Later, he reunites with the other two girls, Mahiru Ryūshaku and Asuka Gendouji, both of whom have also grown to be high school students. Characters Yuu Aritsuki 有月 勇 Aritsuki Yū A 28-year-old former salaryman who returned to his hometown after several years away, having been unable to cope with work demands and his company's treatment of him. When he was younger, three children from the neighborhood often played with him, which at the time he found annoying but now he felt nostalgic for. Upon returning home from Tokyo, he is reunited with Miya Haruyama, one of the kids that used to play with him in the past. Miya Haruyama 春山 未夜 Haruyama Miya One of the three bratty children who used to play with Yuu when they were younger. At the time, she was the brattiest among the three, but she has since grown to become a kind and beautiful woman. She has long harbored feelings for Yuu and was happy to see him return to Fujinomiya. She calls him "Yuu-nii". Mahiru Ryūshaku 龍石 眞昼 Ryūshaku Mahiru One of the three bratty children who used to play with Yuu when they were younger. At the time, she had a tomboyish appearance and tanned skin. She is now a high school student and a volleyball player, while still maintaining a tomboyish appearance. Asuka Gendouji 源道寺 朝華 Gendōji Asuka One of the three bratty children who used to play with Yuu when they were younger. In contrast to the other two, she had a kind and reserved personality instead of a bratty one. She had braided hair and wore glasses. When she grew older, she had straight hair but still wears glasses. Media Light novel Written by Yuki Kanzai, the series originally began as a web novel on Kadokawa Corporation's Kakuyomu service on August 10, 2020.ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた https://kakuyomu.jp/works/1177354054918394784 Kakuyomu March 28, 2025 Japanese It was later picked up for publication by Overlap, which began publication under their Ovelap Bunko imprint and features illustrations by Higeneko. The first volume was released on October 25, 2022; seven volumes have been released as of September 2026. Japanese 100% yes 1 October 25, 2022ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 1 オーバーラップ文庫 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+1/product/0/9784824003089/?cat=BNK&swrd= Overlap March 28, 2025 Japanese 978-4-8240-0308-9 2 April 25, 2023ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 2 オーバーラップ文庫 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+2/product/0/9784824004642/?cat=BNK&swrd= Overlap March 28, 2025 Japanese 978-4-8240-0464-2 3 August 25, 2023ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 3 オーバーラップ文庫 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+3/product/0/9784824005809/?cat=BNK&swrd= Overlap March 28, 2025 Japanese 978-4-8240-0580-9 4 April 25, 2024ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 4 オーバーラップ文庫 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+4/product/0/9784824007933/?cat=BNK&swrd= Overlap March 28, 2025 Japanese 978-4-8240-0793-3 5 September 25, 2024ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 5 オーバーラップ文庫 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+5/product/0/9784824009470/?cat=BNK&swrd= Overlap March 28, 2025 Japanese 978-4-8240-0947-0 6 April 25, 2025ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 6 オーバーラップ文庫 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+6/product/0/9784824011473/?cat=BNK&swrd= Overlap March 28, 2025 Japanese 978-4-8240-1147-3 7 September 20, 2026ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 7 オーバーラップ文庫 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+7/product/0/9784824018441/?cat=BNK&swrd= Overlap September 8, 2026 Japanese 978-4-8240-1844-1 Manga A manga adaptation illustrated by Kokuu Rokushou began serialization on Overlap's Comic Gardo manga website on December 20, 2024.ja:『10年ぶりに再会したクソガキは清純美少女JKに成長していた』のコミカライズ連載が開始 https://ln-news.com/articles/121293 LN-News.com March 28, 2025 Japanese December 22, 2024ja:感情を殺した少年と余命わずかな少女の悲恋譚「月下の秘め恋」など、ガルド新連載2本 https://natalie.mu/comic/news/604626 Natasha, Inc Comic Natalie March 28, 2025 Japanese December 20, 2024 The first volume was published on April 25, 2025;ja:10年ぶりの再会、美少女に成長したクソガキが誰だかわかってもらえないラブコメ https://natalie.mu/comic/news/621442 Natasha, Inc Comic Natalie April 25, 2025 Japanese April 25, 2025 three volumes have been released as of June 2026. Japanese 100% yes 1 April 25, 2025ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 1 ガルドコミックス情報 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+1/product/0/9784824011640/?cat=CGB&swrd= Overlap March 28, 2025 Japanese 978-4-8240-1164-0 2 November 25, 2025ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 2 ガルドコミックス情報 https://over-lap.co.jp/10%e5%b9%b4%e3%81%b6%e3%82%8a%e3%81%ab%e5%86%8d%e4%bc%9a%e3%81%97%e3%81%9f%e3%82%af%e3%82%bd%e3%82%ac%e3%82%ad%e3%81%af%e6%b8%85%e7%b4%94%e7%be%8e%e5%b0%91%e5%a5%b3JK%e3%81%ab%e6%88%90%e9%95%b7%e3%81%97%e3%81%a6%e3%81%84%e3%81%9f+2/product/0/9784824014177/?cat=CGB&swrd= Overlap November 13, 2025 Japanese 978-4-8240-1417-7 3 June 20, 2026ja:10年ぶりに再会したクソガキは清純美少女JKに成長していた 3 ガルドコミックス情報 https://over-lap.co.jp/10年ぶりに再会したクソガキは清純美少女JKに成長していた+3/product/0/9784824017000/?cat=CGB&swrd= Overlap May 5, 2026 Japanese 978-4-8240-1700-0 See also Jinsei Gyakuten, another light novel series with the same illustrator References External links Web novel at Kakuyomu ja Light novel official website ja Manga official website ja Category:2022 Japanese novels Category:Anime and manga based on light novels Category:Japanese comedy novels Category:Japanese romance novels Category:Japanese webcomics Category:Kakuyomu Category:Light novels Category:Light novels first published online Category:Overlap Bunko Category:Romantic comedy anime and manga Category:Shōnen manga Category:Webcomics in print