Comprehensive Comic: My System Elf Is Ellie

In the real world, an 18-year-old high school student otaku traveled to a college where zombies broke out for 20 days. He was given the "Fighting Illusion God System" by the system auxiliary spirit Ellie, and became a fighting illusion god with both magic and martial arts skills. Well, now that I am invincible, the first thing I need to do is find the most beautiful school beauty in this zombie academy to be my girlfriend. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.