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 never experienced this in my previous life.
لم أمرّ بهذا قطّ في حياتي السابقة
Das hatte ich in meinem
ehemaligen Leben niemals erlebt.
Nunca experimenté nada parecido
en mi otra vida.
Nunca experimenté
nada parecido en mi otra vida.
Dans mon ancien monde,
je n’ai jamais vécu ça.
Una vita che nell'altro mondo
non avevo mai vissuto...
Nunca experimentei isso
na minha vida anterior.
В прошлой... жизни у меня 
такого не было.