Transmigrating Ace System: Child-Rearing Manual

As an ace system, I have assisted countless hosts. Finally, I embark on my own journey of quick transmigration (also known as: a promising retirement mission).

In the Beast World, I meet a pitiful little thing, weak and adorable, who cannot leave me.

In modern times, there's a domineering CEO younger brother, pitifully weak and helpless, who needs my help.

On campus, there's a strict and righteous little instructor who needs the company of a child.

In ancient times, a cold-hearted general needs a child.

But later on, the plot seems to be going a bit awry...