is a Japanese light novel series written by Touko Amekawa. The series originated on the Shà Âsetsuka ni Narà  website in February 2020, before being published in print with illustrations by Wan Hachipisu by Overlap beginning in October 2020. As of December 2023, six volumes have been released. A manga adaptation with illustrations by Hinoki Kino began serialization on the Comic Gardo website in December 2020. As of December 2025, the series' individual chapters have been collected into eight volumes. An anime television series adaptation produced by Studio Kai and Hornets aired from January to March 2024.
A young noblewoman, Rishe Weitzner, has her engagement to the crown prince annulledâÂÂan event she has now experienced for the seventh time. Trapped in a recurring time loop, she has made different choices in each life, yet every timeline has ended the same way: her death at the age of twenty, five years after the annulment, as a result of a war. In her seventh life, she encounters Crown Prince Arnold Hein of the neighboring Galkhein Empire, the man responsible for instigating the war in all of her previous lives. This unexpected meeting presents the possibility of a dramatically different future, one that may finally allow her to survive beyond the age of twenty. Retaining vivid memories of her sixth life, Rishe accepts ArnoldâÂÂs proposal of marriage under several conditions, including abstaining from official royal duties, maintaining personal distance from him, and living as freely as her status allows. Despite her stated intentions, her position as crown princess compels her to apply the knowledge and skills she acquired in her past lives to improve conditions within Galkhein. As she works to stabilize the empire and avert the war Arnold is fated to begin, their partnership begins to reshape the course of events, offering hope for a more secure future than any she has previously known, and she wonders just what made Arnold's heart grow cold.
Written by Touko Amekawa, the series began publication on the novel posting website Shà Âsetsuka ni Narà  on February 7, 2020. The series was later acquired by Overlap, who began publishing the series in print with illustrations by Wan Hachipisu on October 25, 2020. As of June 2025, six volumes and a short story collection have been released.
In October 2021, Seven Seas Entertainment announced that they licensed the series for English publication. In October 2025, Seven Seas announced that they had also licensed the short story collection.
A manga adaptation, illustrated by Hinoki Kino, began serialization on the Comic Gardo website on December 5, 2020. As of December 2025, the series' individual chapters have been collected into eight tankà Âbon volumes.
In December 2021, Seven Seas Entertainment announced that they licensed the manga for English publication.
An anime television series adaptation was announced on August 18, 2023. It will be produced by Studio Kai and Hornets and directed by Kazuya Iwata, with scripts written by Touko Machida, character designs handled by Kenichi à Ânuki, and music composed by Satoshi Hà Âno and Ryà «nosuke Kasai. The series aired from January 7 to March 24, 2024, on AT-X and other networks. The opening theme song is "Another Birthday", performed by Shun'ichi Toki, while the ending theme song is , performed by The Binary. Crunchyroll licensed the series for worldwide streaming. Muse Communication licensed the series in South and Southeast Asia.
Rebecca Silverman from Anime News Network praised the heroine, artwork, and the story, calling it unique.
Naoki Harada, an editor for Comic Gardo, picked the manga as his favorite manga from 2021.
By February 2024, the series had over 1 million copies in circulation.