The supporting character's harem is very normal - Chapter 328 Thank you, Akna.

—〔WSA 2025 ENTRY〕—What happens when fate twists reality itself? What if someone finally obtains the one thing they've longed for since birth?Arvian got reincarnated into a horrible novel after performing a ritual to claim mysterious rewards offered by Webnovel—the Webnovel System and an Exclusive reward.Waking up in a cave surrounded by a villainous organisation, Arvian found himself; luckily, he was reincarnated with his own body.He sees cruel people, bloodlines, demons, reapers, monsters, and elves, and unfortunately gets dragged by UNHUMAN MISSIONS.Follow Arvian as he finds himself stuck with unhuman missions after failing a mission.Ding!][System Initializing...]...[All Activation Conditions met][Webnovel System Activated!]Congratulations! The Webnovel System has been successfully activated![Webnovel System]:「Gain 3x rewards for completing quests, missions, or eliminating enemies.」「Access the Novel Store, where you can purchase any item or ability of your choice from the novels you have read.」

Zhen Zhen was reborn in the forest area in the 1960s with a drop of the blood of the ancient gods. The awakening of the blood of the gods not only gave Zhen Zhen one power after another, but also made her the most favored little lucky star in the family!

- Description from Novelupdates

fun story

The future young director will return to 10 years with the entertainment system.

Can you imagine using top-level special effects to shoot the scene of the prehistoric mythology movie?

Can you imagine the scene of making a virtual game and making players around the world addicted to martial arts?

Can you imagine changing the world, using a real-world setting?

- Description from novelbuddy