The world's finest Assassin accepts the Goddess' request to assassinate the Hero. After defeating the Demon Lord and saving the world, the Hero will then use his power to destroy the world. The Goddess wants the Assassin to be reincarnated in another world and assassinate the Hero in order to save it. After being betrayed and killed by his client in his previous life, the Assassin accepts her offer in order to relive his life in a new world, but--
I chose an assassin because, 
among humans, the Hero can be killed
،أخترتُ مغتالاً لأنّه بين البشر
Ich habe einen Attentäter gewählt,
weil von den Menschen
Te elegí para la tarea porque no hay
guerrero, caballero o mago
Te elegí para la tarea porque
no hay guerrero, caballero o mago
Si je t’ai choisi,
Ho scelto un sicario proprio per questo.
Eu escolhi um assassino
porque entre os humanos,
Среди всех людей