Un antiguo niño soldado con una espada mágica quiere vivir con su hermana, una antigua líder enemiga. • 魔剣使いの元少年兵は、元敵幹部のお姉さんと一緒に生きたい • 魔王女干部X勇者少年兵 • Makendzukai no Moto Shounenhei wa, Moto Tekikanbu no Onee-san to Issho ni Ikitai • Maken Tsukai no Moto Shōnen Hei wa, Moto Teki Kanbu no Onēsan to Issho ni Ikitai • Seorang Mantan Prajurit Laki-laki Pengguna Pedang Sakti, Ingin Tinggal Bersama Mbak-Mbak yang Mantan Pemimpin Musuh • A Former Child Soldier Who Uses a Magic Sword Wants to Live With a Missy, the Former Enemy Leader • A Former Child Soldier Who Uses a Magic Sword Wants to Live With a Missy, the Former Leader of His Enemies • A Former Child Soldier Who Uses a Magic Sword Wants to Live with an Older Sister of a Former Enemy Executive • A Former Child Soldier Who Uses a Magic Sword Wants to Live With an Older Sister Who's a Former Enemy Executive • Seorang Mantan Prajurit Laki-laki Pengguna Pedang Sakti, Ingin Tinggal Bersama Mbaknya yang Mantan Pemimpin Musuh