The goddess is formulating a plan to stop the Hero's rampage. After defeating the Demon Lord and saving the world, next he will use his power to destroy the world. The goddess has decided to summon the souls of professionals from other worlds and reincarnate them. She summons the soul of the world's finest special forces soldier who excels in combat and asks him to defeat the Hero, but--
In my previous life, I was 
to become an instructor,
كان يُفترض أن أصبح معلّماً
في حياتي السابقة
In meinem früheren Leben
sollte ich Ausbilder werden.
En mi otra vida
iba a convertirme en instructor.
En mi otra vida
iba a convertirme en instructor.
J’allais devenir formateur
dans ma vie précédente,
Nella mia vita precedente
sarei dovuto diventare un istruttore,
Na minha vida anterior,
eu me tornaria um instrutor.
В прошлой жизни я должен 
был стать инструктором.