Mato Seihei no Slave (also known as Chained Soldier set in a near-future Japan where a demonic dimension called has appeared
: A unique side effect of the "Slave" ability is that the master must provide a physical "reward" to the slave after a battle. These rewards are driven by Yuuki’s subconscious desires and range from simple massages to intimate physical contact. Mato Seihei no Slave Wiki Major Conflicts Humanoid Shuuki mato seihei no slave raw manga