Available as both manhwa and novel.
The Regressed Mercenary Has a Plan El mercenario que regresó tiene un plan
Also known as: Hoegwihan Yongbyeongeun Da Gyehoegi Itda · 회귀한 용병은 다 계획이 있다 · The Regressed Mercenary’s Machinations · El mercenario que regresó tiene un plan · 逆行傭兵は全て計画済み · 重生佣兵王的复仇 · 重生傭兵的完美計畫 · แผนเปลี่ยนชะตาของทหารรับจ้าง · As maquinações do mercenário regredido · Every Returned Mercenary Has a Plan · Kembalinya Sang Mercenary Yang Cerdik · Las conspiraciones del mercenario regresado · L'intrigue surprenante d'un mercenaire régresseur · Najemnik który ma plan · Os planos do mercenário regressado · Las Conspiraciones del Mercenario Regresadoㅤ
Cecil Perdium, the Mercenary King, was killed in battle before he could avenge his family. As he faces death, he learns that Duke Delphine, the man who caused the downfall of his family, didn't work alone. Suddenly waking up as his teenage self, Cecil must work to both overcome his poor reputation and build up his strength to save his family. With their soldiers and knights defecting due to the harsh conditions they must endure, he has his work cut out for him. Can Cecil become the mighty warrior he once was and avert his family's fate?