The supporting character's harem is very normal - Chapter 468 The two male leads meet

Evan crossed over, but he wasn’t worried at all… because he had the character template from the mobile game and five devil fruits obtained from a lottery draw with him.

Zhuang Feng is in his last year of high school, and he’s just moved to the city. He lives with his good-for-nothing cousin, who’s always on business trips falling for get-rich-quick scams, and his Saozi (sister-in-law), who tries to make his life miserable as much as possible. There’s one upside, though; she. is. freaking. hot. But one day, he found a piece of her underwear in the bathroom…. And unfolded a series of events that will turn his life upside down.

- Description from Novelupdates

Yang Ge had never been the greatest in the world.But later, everyone in the realm of martial artists said he was the greatest in the world…PS1: This is a story about friendship, ideals, and reconciliation.PS2: The second place in the world is also goodPS3: People strive for fame and fortune, struggling for a lifetime, and finally realize that it's just a bubble

Konoha’s blue beast: “I want to prove that even if you don’t know ninjutsu or illusion, you can become an excellent ninja. This is the whole of my life. This is my way of ninja!”

The Roaring Emperor of Clover*: “I want to prove to everyone that no matter whether you are a poor ghost or an outcast, you can achieve great things!”

Hao Fan: “If there is any relationship between these two other than being equally inspirational, it is that my buddies were unlucky enough to transmigrate and become Rock Lee first. Because of physical defects, they couldn’t control Zach to perform ninjutsu, and then protested to the system. Afterwards, he transmigrated into Asta who couldn’t use magic…”

- Description from novelbuddy