10x Cashback: Your Wealth Is Mine

After getting hit by a truck meant for someone else, Nico is compensated by transmigrating into the body of the illegitimate and only son of billionaire, Logan Voss.

To keep this new life, he's given a single mission. Climb over his seven step sisters and inherit his father's wealth.

So, why in the heavens does this involve collecting the stamps of 99 different ladies?

[Ding! 10x cashback system activated.]
[Ding! Stamp holder detected.]
[Collect stamp to gain 10 times the stamp holder's wealth.]

"Fun isn't something one considers when trying to save his own life. But this does put a smile on my face."