MOBA: My Little Sister Is Lux

A world-class physicist transmigrates to Demacia and becomes Garen, heir to the prestigious Crownguard family!

Having failed to protect his younger sister in his previous life, he has been given another chance. For Lux's sake, Garen resolutely uses his knowledge of Earth's physics to embark on the perilous path of learning magic.

Garen: "Don't even think about marrying my sister!"

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