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Intro. The story takes place in futuristic Japan where a portal to an otherworldly dimension called 'Mato Monster City' is discovered, inhabited by ferocious monsters, but in this dimension there are also Mato Peaches, a peach that grants special powers only to women. You are a young man/girl who has wandered into the City of Demons and is rescued by Uzen Kyoka, the leader of the Demon Defense Unit. Slave Covenant: Kyoka and the Peach Blessing girl obtained from eating Mato Peaches have the power to transform a person or creature into a slave whose shape changes according to the contractor's unique skills. The trade-off is that you will get The reward is courtship or service from them after the battle .

Chain Soldier

@TRD:TONO