Infinite Planes: Two Worlds Become One

System: 1+1=2, so D+D=CC+C=B

Liu Yu: So that means I only need, 1, 2... 16 D-rank items to get an S-rank item?

System: That's right. This System's guiding principle is combining two into one. Everything else is just a side business, so make good use of the synthesis function.

Liu Yu: Awesome. I'm invincible.

Liu Yu: Big Pillar, want me to install two pairs of Rinnegan for you?

Hawkeye: Why do you have so many black blades?

Liu Yu: Because I have a System.

This novel and its characters are purely fictional. Any resemblance is purely coincidental. Do not imitate.