Itsuka Kamen wo Nugu Tame ni: Warau Kishin to Yumemiru Dorei

Synopsis

A blooming romance between two individuals, as seen through a demon's mask. "Samurai" Reo Aramogord is the strongest soldier protecting the kingdom. In the middle of the conflict, as he was about to destroy his enemy, he fell in love at first sight with a girl who is a "part" of the enemy. A romance story through the "masks" they wear to war. (Source: Square Enix, translated)