Before he realized it, he was in a different world.
A former Japanese office worker woke up in the body of a baby.
It seems he’d been reincarnated in a different world…
Although he was born into a noble family, his mother was a concubine, so his official status was that of a commoner.
To such an individual, there was one person he wants to protect.
She was his younger sister from the same mother.
And his sister seems dead-set on never letting him go…?
The life of a reincarnated and his beloved sister begins.
