MTL - For My Sister, I Became the World Boss - Chapter 420

I failed and will challenge again.

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

Luis, a poor 17-year-old boy, tries his luck at becoming an Awakener to change his fate. However, his dreams are shattered when he fails to awaken a Special Spirit and is instead saddled with a 5 million dollar debt by their planet's colonizers, the Flying Star Empire.His life seemed doomed—until a mysterious system suddenly appeared in his head: The Monster Transformation System. It gave him the power to transform into any monster or animal he had ever seen.From a cat to an eagle, even a horse, Luis begins to understand that his power may not come from Spirit... but from the ability to become any monster.

In Tianlan Continent, there is a magic store called Origin Mall.

The Coke here can make people full of blood in an instant; the spicy bars here can make people fight leapfrog; the games here can make people improve their cultivation; the novels here can make people understand the techniques…

There are countless goods here, including leisure, entertainment, dining, training…

Oh, by the way, remember one thing, don’t make trouble in the store, because the owner of the store is very strong…