Mikami Satoru, a businessman, is stabbed by a criminal on the street and killed. When he regains consciousness in the darkness, he finds that he's been reincarnated as a slime! With nothing better to do, he spends his time devouring all the rare herbs and precious ores he comes across. As he does, he encounters the Storm Dragon Veldora, who was sealed in this cave 300 years ago by a hero's "Unlimited Imprisonment" skill. He's frightened at first, but as they talk, he becomes friends with the long-isolated Veldora.
They could come in handy 
if I'm ever in trouble...
قد تجدي نفعاً إذا وقعتُ في ورطة
Und bereite mich
auf den Ernstfall vor.
Podrían ser útiles
si tengo problemas.
Podrían ser útiles
si tengo problemas.
On n’est jamais trop prévoyant,
Diciamo per poterne avere quando necessario,
Para ter em mãos,
caso eu me meta em apuros...
Если что, то пригодятся…