Invincible! This person has lived for a billion years - Chapter 560 Then, help him out

Lassen, a young man who has failed at everything in his life, has had enough. Disillusioned with the world, he decides to end it all. But instead of dying, he wakes up in a parallel world, armed with a strange system that can accomplish anything he desires. Trapped in his room, reading novels and savoring every page, he has no intention of participating in the fast-paced world outside.Yet, despite his desire for peace, the world changes every time he makes an appearance. Everyone treats him like a genius, a being capable of disrupting the very fabric of reality, without lifting a finger. A powerful system, a new life, and a world that adapts to him: why complicate things when you can have everything without effort?The Genius System tells the story of a man who, although having everything to change the world, prefers to watch it evolve from the comfort of his room, through the pages of his books.

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume

Setting in the fictional world of Gaia, where special individuals can awaken certain powers within their soul. They are called Arcana Masters.

Some awaken beasts, some awaken weapons, while some awaken the power of plants.

Some people train to become stronger so that they have the power to protect loved ones, some wish to use it for revenge, some wish to live longer, while some want to be free and use their power however they wish.

Yet, there exists a clan, where the descendants only exist to grant death to others so that life and death remain balanced.

Follow the journey of Azrael Garcia, the heir of the cursed clan of Death, as he forms friendships, facing betrayals, meeting love, and cutting down the enemies in the process.

One of the six people called heroes, Raid, fought alone against the Devil, and ended up dead.

After meeting with a suspicious god, he woke up again and found out he has born again as a baby.

Moreover, as a daughter of his former companions.

In order to regain his former power, Raid/Nicole has to go through a life of hardships to reach the ideal he aims for.