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--
No, but I know the layout 
of the manor where I live.
كلا، لكنّي أعرف تخطيط
القصر الذي أقطن فيه
Das nicht, aber ich kann die Grundrisse
des Anwesens erkennen.
No, pero conozco muy bien
la mansión en la que vivimos.
No, pero conozco muy bien
la mansión en la que vivimos.
Non, mais je connais notre résidence
par cœur.
Ormai so com'è fatta la nostra villa
anche senza vederci.
Não, mas conheço a disposição
do ambiente onde moro.
Не вижу,