The Hero and the Sage, Reincarnated and Engaged

🇯🇵英雄と賢者の転生婚～かつての好敵手と婚約して最強夫婦になりました～ · Eiyuu to Kenja no Tensei Kon: Katsute no Koutekishu to Konyakushite Saikyou Fuufu ni Narimashita

MangaShounenOngoing🇯🇵 First published in 2023ActionAdventureFantasyRomance

Nishirikyuu story, art · Washiro Fujiki story

With their nations in conflict, the Hero Reid and the Sage Elria had long been on opposing sides of the battlefield. However, it would all come to a much too sudden end with the Sage's passing. Single-handedly breaking through the enemy ranks to see Elria one last time, Reid meets his own heroic demise...

Synopsis via AniList