Mirai kara Kita Hanayome no Himegi-san ga, Mata Ai no Kokuhaku wo Shite Toune Dari Shite Kimasu.

"I am your destined bride, and victory is mine!" After finally ending up in the same class as his long-time crush, a young man seizes the moment to confess his feelings in a burst of overwhelming joy. His heartfelt declaration, however, is swiftly and predictably turned down. Crushed by the rejection, he returns home at the absolute lowest point of his life, expecting nothing but solitude. Instead, the person waiting at his door to greet him is Himegi Touka—the very girl who had just broken his heart mere minutes ago. Yet something is undeniably different about her. She appears slightly older, noticeably more alluring, and inexplicably dressed in a full wedding gown. This mysterious version of Himegi reveals an astonishing truth: she has traveled back from six years in the future. In that timeline, she claims they are already married, and she insists she has returned with a specific purpose in mind. Now, bewildered but intrigued, the protagonist finds himself thrust into an unexpected cohabitation arrangement. With his future bride actively pursuing him and showering him with affection, he must navigate this bizarre new reality—all in the hope of securing a happy marriage with the very person who once rejected him.