Maken Tsukai no Moto Shounenhei wa, Moto Tekikanbu no Onee-san to Issho ni Ikitai

Seto is a former boy soldier who once fought alongside a party of heroes, only to be cast out due to his uniquely ruthless and unmatched combat style. Stripped of his place among the righteous, he finds himself adrift in a world that no longer has a role for him. His path unexpectedly crosses with Satis, the former commander of the Demon King’s army, who was similarly discarded by her own side after enduring a string of devastating failures. Once bitter enemies on opposite sides of a grand war, these two outcasts now share a common reality: they have both lost everything they once belonged to. Choosing to leave their pasts behind, Seto and Satis embark on a shared journey to carve out a second chance at life. Their travels are a quiet blend of mundane comforts and lingering dangers, ranging from peaceful visits to hot springs and nights spent sharing the same bed to sudden, violent encounters with roaming demons. As they navigate this unpredictable road together, the former brave soldier and the exiled demon general must confront a profound question—what awaits those who have been rejected by the very world they once fought for? This is the story of two fallen warriors seeking not just survival, but true rebirth.