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."