My Organs Can Fuse Monsters!

The world changed drastically and thousands of monsters appeared.

Humans have the ability to fuse monsters in every organ!

Monster quality: ten years, one hundred years, one thousand years, ten thousand years, one hundred thousand years...

Lin Sen is a good-for-nothing. After graduating from high school, his family gave him a loan of a ten-year monster with all their wealth.

【Head】: None

[Torso]: None

[Left arm]: None

[Right arm]: Little yellow ape (ten years of quality)

[Left leg]: None

[right leg]: no

Comprehensive evaluation: E grade

Fortunately, he awakened the [Monster Cultivation System], upgraded the possessed monster, and completely changed the monster's attributes:

【Head】: None

[Torso]: None

[Left arm]: None

[Right arm]: Monkey King (ten thousand years quality)

[Left leg]: None

[right leg]: no