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--
As long as you fulfill my request, 
I don't care what else you do.
لا أبالي لأيّ ما تفعله ما دامت ستفي بطلبي
Solange du meinen Auftrag erfüllst,
ist mir egal, was du sonst tun willst.
Mientras cumplas con lo acordado,
no me importa qué otras cosas hagas.
Mientras cumplas con lo acordado,
no me importa lo que hagas.
Tant que tu accomplis mon souhait,
Puoi fare come vuoi, a patto che porti
a termine la mia richiesta.
Contanto que você cumpra o que peço, não
me importo com o que mais você faça.
Главное, выполни просьбу, 
а остальное меня не волнует.