Use the System to Seduce the Prince

Because I clicked on a low-quality advertisement, I brought the game system to the world of Prince of Tennis, but this system seems to be of no use? ? Uh, that handsome prince, do you want to find another way to relax? So, when the princes with a friendship level of over 50% are free, let's form a team to defeat the boss... (Mining tip: This article does not compare to the plot of the original novel)