{"rewrite":{"id":"r_3dc8bfb5ec1dd9a19884f5af","clusterId":"c_5cc63b934a44a71fefada4d8","slug":"my-stepmom-s-daughter-is-my-ex-light-novel-ends-at-volume-14","model":"deepseek-v4-1-flash","headline":"My Stepmom's Daughter Is My Ex Light Novel Ends at Volume 14","summary":"The official X account for Kyosuke Kamishiro and illustrator Takayaki's My Stepmom's Daughter Is My Ex (Mamahaha no Tsurego ga Moto Kano Datta) announced on Wednesday that the light novel series will end with its 14th volume, scheduled for release on December 1, 2026. Kamishiro began the story on the Kakuyomu website in August 2017, and Kadokawa started print publication with Takayaki's illustrations in December 2018. The 13th volume shipped in October 2025. Rei Kusakabe's manga adaptation has run on Kadokawa's ComicWalker since December 2019, with Udon Entertainment handling the English manga license and J-Novel Club holding the light novel license. The novels follow Mizuto Irido and Yume Ayai, former middle school partners who become stepsiblings after their parents remarry. An anime adaptation aired on AT-X and Tokyo MX in July 2022, with Crunchyroll streaming it as it aired.","whyItMatters":"The series reaches its conclusion nine years after Kamishiro first posted it to Kakuyomu, closing a run that began as a web novel before Kadokawa's print editions, a ComicWalker manga, and a 2022 television anime extended it across multiple formats.","webCardHtml":"\u003cp\u003eThe announcement came from the series\u0026#39; own X account rather than a Kadokawa press release, and it promised more information in the days following the September 23, 2026, post. The final volume is set to arrive on December 1, 2026, roughly thirteen months after the 13th volume shipped in October 2025.\u003c/p\u003e\u003cp\u003eThe property has moved through several stages. Kamishiro launched the story on Kakuyomu in August 2017, Kadokawa began print editions with Takayaki\u0026#39;s art in December 2018, and Rei Kusakabe\u0026#39;s manga version started on ComicWalker in December 2019. Takayaki\u0026#39;s other illustration work includes Arifureta - From Commonplace to World\u0026#39;s Strongest. J-Novel Club publishes the novels in English, and Udon Entertainment holds the manga license, giving the series two separate English-language homes ahead of its ending.\u003c/p\u003e","blueskyPost":"My Stepmom's Daughter Is My Ex ends with volume 14 on December 1, 2026. Kamishiro started it on Kakuyomu in August 2017. Nine years, four formats, one last volume.","twitterPost":"The final My Stepmom's Daughter Is My Ex volume arrives December 1, 2026. The 13th shipped in October 2025. J-Novel Club has the novels, Udon has the manga.","threadsPost":null,"newsletterBlurb":"The light novel series My Stepmom's Daughter Is My Ex ends with volume 14 on December 1, 2026, the series' official X account announced. Kyosuke Kamishiro's story began on Kakuyomu in August 2017 and later ran in print, manga, and anime form. Kadokawa's 13th volume shipped in October 2025.","attributionJson":"[{\"source\":\"Anime News Network\",\"url\":\"https://www.animenewsnetwork.com/news/2026-09-23/my-stepmom-daughter-is-my-ex-light-novel-series-ends-with-14th-volume/.242106\",\"title\":\"My Stepmom's Daughter Is My Ex Light Novel Series Ends With 14th Volume\"},{\"source\":\"The Indonesian Anime Times\",\"url\":\"https://www.kaorinusantara.or.id/newsline/247562/seri-novel-ringan-my-stepmoms-daughter-is-my-ex-tamat-di-volume-ke-14\",\"title\":\"Seri Novel Ringan My Stepmom's Daughter Is My Ex Tamat di Volume Ke-14\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5899,"outputTokens":1059,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791045688,"createdAt":"2026-10-03T16:29:43.000Z","publishedAt":"2026-10-03T16:33:22.000Z","updatedAt":"2026-10-03T16:33:22.000Z"},"cluster":{"id":"c_5cc63b934a44a71fefada4d8","canonicalTitle":"Seri Novel Ringan My Stepmom’s Daughter Is My Ex Tamat di Volume Ke-14","representativeArticleId":"a_bb2a8f4d741973aa00edf8e4","sourceCount":2,"writtenSourceCount":2,"writeAttempts":0,"isSolo":false,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[\"My Stepmom's Daughter Is My Ex\"],\"work_titles\":[],\"studios\":[],\"people\":[\"Kyosuke Kamishiro\",\"Takayaki\"],\"type\":\"announcement\",\"domain\":\"manga\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-24T15:00:37.000Z","lastSeenAt":"2026-09-24T15:00:37.000Z","updatedAt":"2026-10-03T16:34:52.000Z"},"attribution":[{"source":"Anime News Network","url":"https://www.animenewsnetwork.com/news/2026-09-23/my-stepmom-daughter-is-my-ex-light-novel-series-ends-with-14th-volume/.242106","title":"News\nMy Stepmom's Daughter Is My Ex Light Novel Series Ends With 14th Volume"},{"source":"The Indonesian Anime Times","url":"https://www.kaorinusantara.or.id/newsline/247562/seri-novel-ringan-my-stepmoms-daughter-is-my-ex-tamat-di-volume-ke-14","title":"Seri Novel Ringan My Stepmom’s Daughter Is My Ex Tamat di Volume Ke-14"}],"entities":{"anime_titles":[],"manga_titles":["My Stepmom's Daughter Is My Ex"],"work_titles":[],"studios":[],"people":["Kyosuke Kamishiro","Takayaki"],"type":"announcement","domain":"manga","is_roundup":false},"keyFacts":["My Stepmom's Daughter Is My Ex will end with its 14th volume, scheduled for release on December 1, 2026.","Kyosuke Kamishiro began the series on the Kakuyomu website in August 2017, and Kadokawa began print publication with Takayaki's illustrations in December 2018.","The 13th volume of My Stepmom's Daughter Is My Ex shipped in October 2025.","Rei Kusakabe's manga adaptation has run on Kadokawa's ComicWalker since December 2019, with Udon Entertainment holding the English manga license.","J-Novel Club licensed the light novel series in English, and an anime adaptation aired on AT-X and Tokyo MX in July 2022."]}