When high schooler Yoshiharu Sagara awakens, he is thrust into a fierce Sengoku period battle. Saved by the famed Hideyoshi Toyotomi, who sacrifices himself to ensure Yoshiharu's survival, the dying warrior entrusts him with the role of a feudal lord. Determined to maintain the altered course of history, Yoshiharu embarks on a mission to prevent further disruptions. However, his journey takes a whimsical turn when he rescues Nobuna Oda, a female equivalent of the renowned Nobunaga Oda, only to realize that the once-mighty warlords of Japan have transformed into adorable girls in this new reality. In a bid to restore the original timeline and find his way back home, Yoshiharu agrees to serve as one of Nobuna's loyal followers, aiding her in conquering Japan. Armed with knowledge from the video game 'Nobunaga's Ambition,' Yoshiharu can foresee upcoming events and sway the tides of war. Leveraging this unique advantage to support the beautiful generals of the Oda clan, Yoshiharu strives to help Nobuna achieve her aspirations and capture the admiration of women across the land.