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--
That's how I believed death worked.
كان ذلك اعتقادي عن الموت
Es justo lo que me esperaba
de la muerte.
Es justo lo que me esperaba
de la muerte.
C’est ce qu’est censée signifier
la mort.
Ho sempre creduto che la morte
fosse esattamente questo.
É assim que eu acreditava
que a morte seria.
Именно так, мне казалось, 
и происходит после смерти.