The supporting character's harem is very normal - Chapter 84 Simulation Space (1)

She was originally a puppet of her family. Pursued by the police for being a business spy and hitman, she was betrayed and fell into the sea.

When she opened her eyes again, she had turned into an ordinary high school student. Because of a disgraceful birth, she had been crowded out by her relatives. Because of inferiority complex and antisocial behavior, she was bullied by her classmates.

But now she is no longer someone who acts timid. Cheat her, and she will break your bones.

She possesses formidable Jade pupils capable of seeing through walls. Other people have difficulty breaking through jade, their sight for antiques is based on gambles, but she only needs a look.

An undertaking begins as she creates legends in the world of business.

Once upon a time, they laughed at her poor and destitute state. Now looking at her net worth of 10 billion, it can’t be explained.

To the relatives that come to hug her thighs, she must apologize: “We broke off relations long ago, so get lost!”

- Description from Novelupdates

Waking up in the World of Food Wars—Yuuki gains a unique edge: The Fishing System.This mysterious system grants him fishing bait of varying qualities—Depending on the bait used, Yuuki can reel in incredible rewards pulled from—countless different Worlds.With Small Bait—Yuuki landed a Legendary set of Seven-Star Knives.Large Bait yielded powerful Flame Abilities.And the Super Bait? It allowed him to hook the very Essence of Culinary Respect from the Toriko Universe—Food Honor.Beyond that—special “Growth Bait” becomes available as Yuuki himself levels up and improves his skills.Armed with his Fishing System—Yuuki casts his line into Totsuki Academy, ready to start his overpowered Culinary journey and reel in victory after victory.

After getting betrayed and killed by the only person she’d loved, Miss Shang wakes up in the body of the cowardly crown prince Shang Wuxin, who, due to her own circumstances, was actually a girl cross-dressing as a boy. After inheriting the crown prince’s memories, Shang Wuxin has three things on her agenda:

1. Clean up the house

2. Gather loyal followers and soldiers

3. Get the throne

- Description from Novelupdates

Chu Nan was just an ordinary student, but because of an accident, he obtained the data collection, analysis and processing ability equivalent to the most advanced optical brain.