Don’t Concern Yourself With That Book - Chapter 288

After a tragic accident, an ordinary young man awakens in a new world teeming with floating islands, supernatural abilities, and mysterious dangers. Reincarnated in a body he doesn’t recognize and granted a cryptic “system” that refuses to explain itself, he’s thrust into Vanguard Academy—a high school where only the most powerful and determined survive.With no clue why he’s been chosen or what the system wants from him, he must navigate a cutthroat world of rivalries, alliances, and mind-bending challenges. Armed with courage, wit, and untapped potential, he embarks on a journey to uncover the truth behind his reincarnation and the forces pulling the strings in this enigmatic universe.Can he rise above the chaos, or will he fall like countless others before him?Perfect for fans of Solo Leveling and The Beginning After The End, this story blends reincarnation, epic battles, and intricate worldbuilding into a gripping tale of survival and self-discovery.

Etius, a game that no one has cleared.

The moment all possible strategies failed, “Student Frondier ?”

I became an Extra in the game, I became Frondier!

“Change the fate with this?!” Duplicate everything to carve out my destiny!

300 years after becoming a Demon King, the war angel Ansel faced a serious problem during a certain expedition.

——His halo grew out once again.

Ansel picked an auspicious place that was definitely and absolutely unmanned, and while cursing, he simply and skillfully broke off the newly emerged angelic aperture.

This thing was growing out faster and faster!

When will his undercover mission end already?!

The demon realm was divided and ruled by three kings. Demon King Saros was forced to go on an expedition with his sworn enemy, Ansel.

One day, he noticed Ansel sneaking away from everyone.

Saros decisively followed him, and was shocked to find that his sworn enemy, another demon king of the demon realm, took off a horn headband and fake bat wings. As Ansel cursed up and down, Saros watched as he skillfully removed a cute halo from his head.

This irritable, easily angered guy who loves fighting; the type that was cute when he shuts up but could make even demons angered to the point of ascending to heaven the moment he opens his mouth…

..was actually an angel???

- Description from Novelupdates

Legends say this world has immortals!Chen Li: There might be, but there are more demons and ghosts and monsters!Once traversing into the vast unknown, hastily scurrying for meals amidst the busy throng, everyone says how great it is to cultivate immortality, yet who has seen skeletons exposed beside the road...?