Infinite Evolution: My Idle Evolution System - Chapter 5: Somehow In The Hospital...

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

Leon is an average high school student who likes to watch anime and read novels.
He's about to cross the street, only to be greeted by a truck and died.
But, he got reincarnated as Uchiha yet dead again because Itachi killed him.
Leon got reincarnated again as the grandson of the recovery girl.
He got kidnaped and tortured by All For One.
After his third death, he got reincarnated as a son of Bibi Dong.
In this fourth life, he wants to change his fate to become the strongest.

Note: Please read the tag before reading.
- English is not my first language, so there would be grammatical mistakes in this story.
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Monster Invasion, Blue Star's rules have changed, leading to a great turmoil in the world. Rules have descended, and human girls awaken with fierce beast templates, transforming into animal-eared girls who can summon fierce beasts alongside contracted boys.There are all sorts of animal-eared girls like Pegasus, Flying Tiger, and White Snake.Fluffy animal-eared girls, delicate animal-eared girls.Xiao Ye awakens the God-level Beast Master System, which allows for unlimited contracting, the ability to detect others' templates, and rapidly enhance the forms of summoned beasts.After being dumped by his girlfriend, Xie Mengxuan, an SSS-class Nine-tailed Fox template school beauty, immediately proposes: Be my boyfriend.Xiao Ye is stunned, as he considered her a bro, yet she wants to be his wife!Cheng Bingxi smiles sweetly: Take advantage of the overly shy deskmate and coax him into being a husband!There's also the Nine-tailed Fox demon school beauty, Five-clawed Golden Dragon bearing girl, Soaring Kunpeng queen, and the Divine Beast Qilin empress.Xiao Ye, looking at a nest full of SSS-tier animal-eared girls, expresses: Bring on more!

A world where the [Demon King] was defeated by a [Hero] that came from another world. People carelessly forgot about their fear of the [Demon King] and of monsters, living in peace.

In a forgotten and run-down cave in the mountains, a new monster that should not have been born was given birth.

The monster’s name was the [Black Ooze]. It was nothing exceptional other than its black color, an ordinary slime.

However, this slime had the special characteristic of being able to take the abilities of the living things it swallowed. It preyed on an insect that had paralytic poison, as well as other animals. Following that, it attacked a human, obtaining his knowledge and [Desire].

Before long, the monster established its target as the female mage that came to explore the cave.

This world still wasn’t aware.