A Former Child Soldier Who Uses a Magic Sword Wants to Live with an Older Sister of a Former Enemy Executive

—You are just a killer.
Seto, a Young soldier, is distrusted by the hero because of his brutal fighting style.
Kicked out of the heroic party formed to defeat the Demon King, Seto wanders through the forest in a state of disappointment and hunger.
But it was here that he met Satis, the female leader of the Demon King’s army!
Seto immediately gets into a fighting stance, but her appearance is extremely strange.
For some reason, she was in a state of full wounds.
Seto, at a loss, decides to carry her to safety for the time being.
From there, his involvement with her leads to major changes for Seto and the party that has banished him.
Seto an ex-boy soldier who was expelled from the party of heroes on his journey because of his ruthless and incomparable fighting style.
The former leader of the Demon King’s army, Satis, was kicked out after a series of failures.
The two “former” enemies decide to travel together to find a second life.
Sometimes they go to hot springs, sometimes they sleep in the same bed, sometimes they are attacked by demons.
But what do they find at the end of their journey when they lose their place in the world?The road story of the (former) brave boy soldier and (former) demon lord’s army leader’s “rebirth”!