Takumi Kayano died due to a mistake made by a god. As an apology, the god sends him to another world and revives him. As Takumi makes his way through this new world, he finds two small children in the forest.
That's a slime. 
They're weak, so we're in no danger.
‫هذا سلايم. إنّه ضعيف، لذا لسنا في خطر.
Es un slime. No pasa nada,
es un monstruo débil.
Es un limo. No pasa nada,
es un monstruo débil.
Il s’agit d’un slime.
N’ayez pas peur, il est faible.
È uno slime.
É um slime. É um monstro
fraco, então tudo bem...
Это слизь. Они слабые
и не представляют угрозы.