Tree of Aeons - Side Story: Heroes and their new world

​The world, Earth, was devastated by the Great Incursion, an apocalyptic invasion by dimension-hopping monsters. Humanity's only hope now lies in Galaxy Fall, a newly accessible parallel world where they can gain strength through a System of quests and missions.​Five hours after the Invasion, the betrayed survivor Mirabella is mysteriously reborn and gains a unique power: the [Master Account System].Her initial skill is the deceptively simple but devastating 'Multiplier x100', which applies a 100 times buff to all her offensive capabilities, including physical attacks, spirit energy skills, and damage-over-time effects.​Mirabella must now transform from a silent survivor into the world's most feared warrior, who was only scared of one thing, which is?“I Hope I don't run out of opponents in Both worlds.”

Xie Jin is an international student studying in the United States. Because of an accident, he obtained a special ability that allows him to detect the attributes of all objects within a certain range. Because of this ability, he started from panning for gold and gradually went to the country of Bald Eagle. The pinnacle of wealth. (No abuse, no depression, logical, straightforward and reasonable road to the rise of North American chaebols)

- Description from novelbuddy

The ending of fairy tales is usually a happy ending of the hero and heroine. As for the supporting characters, who will care about their happiness? Having such a bad thought one day, they suddenly turn dark. They want to revolt, and they don’t want to be the main couple’s stepping stone for their ‘True love’ again. Oh my god! What’s about the plot? What kind of story will it play out with a character like this? Can it still run smoothly? The hero and the heroine are going to be crippled by the supporting character!!!!! Well, there’s actually a project to save the plot from it. By nipping the bud of all evil thoughts from them, and let the hero and heroine live together in happiness. The named of this project is ‘To save the supporting character’. All executors must dutifully do their work, and as for the mean to achieve it? Oh! That’s not worth mentioning~

No matter whether it is a white cat or black cat, if that cat can catch a mouse then it is a good cat.

- Description from Novelupdates

Crossing to the Naruto World, Uchiha Tonan obtained the ‘Legacy Inheritance System’. As long as the people who acknowledged him died, he could inherit all abilities of the deceased.

Therefore…

“Konoha’s higher-ups mistreated the Uchihas. So, I’ve decided to lead the clan to launch a coup d’état after three years.”

“Ding! Gained Uchiha clan’s acknowledgment.”

Two years later.

“Tonan, this is the evidence of the Uchiha clan’s betrayal. When all is said and done, it’s your clan. So, I want to hear your opinion.”

“I’ll always stand on the village’s side.”

On that fateful night, Tonan stood on the Hokage Rock, coldly watching the Uchihas’ annihilation.

He spread his hands, being grateful to his clansmen’s gifts.

The next day.

“Lord Hokage, I shed blood for Konoha and became the village’s sword. And this was how you treated the meritorious clan.”

“Tonan, didn’t you agree to it!?”

“I don’t know what you are talking about. The fury of clan extermination is irreconcilable. Today, I will destroy the Sarutobi and Shimura clans to appease my clan members’ souls in heaven.”

A high-leveled hunter often puts on a disguise to lower the prey’s guard.