Elf Tensei Kara no Cheat Kenkoku-ki - Chapter 7Book 2: -3: The Result of Effort

Eight hundred years ago, Xie Lian was the Crown Prince of the Xian Le kingdom. He was beloved by his citizens and was considered the darling of the world. He ascended to the Heavens at a young age; however, due to unfortunate circumstances, was quickly banished back to the mortal realm. Years later, he ascends again–only to be banished again a few minutes after his ascension.

Now, eight hundred years later, Xie Lian ascends to the Heavens for the third time as the laughing stock among all three realms. On his first task as a god thrice ascended, he meets a mysterious demon who rules the ghosts and terrifies the Heavens, yet, unbeknownst to Xie Lian, this demon king has been paying attention to him for a very, very long time.

- Description from Novelupdates

As a corporate drone, Ashu was transported to another world, hoping to live a life free from societal pressures.However, he quickly found that even marrying a village girl would cost him half of his wealth!Fortunately, just when things were looking grim, his childhood sweetheart—who had trained for many years—arrived to fulfill their childhood marriage pact. Not only that, Ashu activated the Crit Refund System, which allowed him to earn rewards by binding with beings rated over 90 points![Binding with the Witch Childhood Sweetheart, 10x Refund on Magic Potion, Host Gains: Forbidden Water (S)][Binding with the Forest Elf, 10x Refund, Host Gains: Infinite Stamina and Infinite Recovery][Binding with the Demon Huntress Nun, 20x Refund, Host Gains: Demon Slayer Holy Crossbow (SS)][Binding with the Imperial Princess, 100x Refund, Host Gains: Sigh of the Heavenly Father Spear (SSS)]Ashu: “The refund multiplier increases as our relationship grows? I’ll definitely have to dive deeper into this!”

The Saint: “Bro Yi, Can you make me your servant?

Yi Feng: “What? A Saint like you wants to become my servant. Do you have any shame?

The Saint: “My sister is very beautiful”

Yi Feng (His eyes is glowing): Little Saint, you can follow me from now. All right, remember to tell your sister to come!

The King: “Yi Feng! Your bastard, what are you doing?

Yi Feng: My bad! My bad! My king, I just want to stroll in this harem a little bit. Who knows those girls have been following me like that?

- Description from Novelupdates

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