My Sister the Heroine, and I the Villainess - Chapter 51

A story about a traveler who crossed into a parallel universe, relying on his Proficiency ability to continuously grind experience and become stronger.

What are you going to do when you pass through another world?

Yalin(MC): Perhaps, many of those seniors who passed through another world would like to use violence to solve their problems, but I like to control the fate of a country with economics and races with faith, I use benefits to instigate others so that I profit, and even making them take risk for me without them even knowing. In each country the highest is the king and behind the king is a string that is attach to my hand, for I am their puppeteer.

Yalin(MC): Certainly the credit does not only belong to me, I must give my thanks to the great knights and their leader Zero(Code Geass). The supreme master of blood, the moon princess(Tsukihime), the black and white princess, and also my ‘good friend’ called by his title the ‘God’s left eye’, president of the neutral autonomous city. Finally I must give thanks to my loyal and competent subordinates!

- Description from Novelupdates

On the will left behind by the 14 year old suicide victim K:

“Taku Sugawara is the devil. Nobody should believe his words.”

Luo Xingchen traveled to the world of Fairy Tail.

Comes with a plug-in magic sublimator.

Since then, Luo Xingchen has embarked on a different path.

Not to mention, you can borrow the magic crystal emblem transformed from the magic power of the wizard to strengthen yourself.

Mainly, you can also use multiple badges to fuse into a new form?

Please, I’m not the debt king Uub.

But after trying it for real, he realized that this thing is really fragrant.

Of course, occasionally there will be some troubles.

That is, what if the other party does not borrow it?

Easy!

As a mage genius, it’s not too much to awaken a magic, right?

Relying on the awakened devouring magic that can forcibly extract the magic power of the wizard.

Combining two by two…

You have to borrow this power if you borrow it, or you have to borrow it if you don’t borrow it!

When a certain day.

Luo Xingchen held the black dragon’s dark magic crystal badge in his hand, and added the shining star’s light magic crystal badge,

The moment they come together,

The ultimate form that surpassed the gods was born…

- Description from novelbuddy