Last Boss, Yametemita: Shujinkou ni Taosareta Furishite Jiyuu ni Ikitemita  

Final Boss Fake-out: The Protagonist Thinks He Killed Me So Now Im Free!, ラスボス、やめてみた ～主人公に倒されたふりして自由に生きてみた～, I Tried to Stop Being the Last Boss ~I Pretended to be Defeated by the Main Character and Tried to Live Freely~, ラスボス、やめてみた　～主人公に倒されたふりして自由に生きてみた～, 라스트 보스, 그만둬 보았다

In RPG history's strongest final boss, Menas, ruler of Noa Empire, discovers that the Resistance forces have arrived at his doorstep. As Alex, a determined and beautiful young blonde lady stands before him, Menas experiences deja vu, reminiscent of "ResNoa," a video game he plays in his dreams. Realizing that he was the final boss of his own world all along, Menas fakes his death at Alex's hands and seizes this opportunity to start anew. With cheat codes as his weapons, our dark hero conquers his new realm.

Last Boss, Yametemita: Shujinkou ni Taosareta Furishite Jiyuu ni Ikitemita has been published digitally in English as Final Boss Fake-out: The Protagonist Thinks He Killed Me So Now Im Free! by Square Enix through Manga UP!