MTL - Start with Batman - Chapter 379 Alien technology?

In this world, there is the beautiful mutual and telepathy love.

REBORN OF THE LEGENDARY BEAST MASTER

Standalone stories exploring bondage sex, dominance and submission, captivating power dynamics, threesome, multifuck and rape. Indulge in your wildest dreams, brought to life on every page :)

A 29 year old civil employment exam student wakes up in a blank white room and meets a baby angel. This baby angel informs him that he died in his sleep due to heart disease like his father and grandfather. Remembering his mom and their last conversation he says that he will take on a series of life and death tests that the baby angel offers him. From this point on he must put his life on the line and fight in the stage called ‘Arena’. And Every time he clears a test he will gain abilities and weapons to increase his strength. All to clear the tests and get his life back. This is his story of his fights in the ‘Arena’.