Reborn as a mosquito? Got a system that makes you stronger by sucking blood?

Regarding this start, Chu Sheng was a bit silent.

I've already become a mosquito, how much stronger can I possibly get?

But no matter what, I have to give it a try...

Chu Sheng randomly flew into a room, and unexpectedly, there was a stunningly beautiful girl inside.

Not bad! I'll suck her blood!

...

Gu Yuexi, an Emperor-Level Beast Tamer, the Empress of the Human Race!

In her previous life, she only started on the path of Beast Taming at the age of sixty, and her first Contracted Beast was merely of a Low-Level Bloodline, leading to an unstable foundation and her perishing in a heavenly tribulation.

Reborn at the age of eighteen, she must become a Beast Tamer at the first opportunity!

She bankrupted her family to buy a High-Level Bloodline Demon Beast and prepared for the Blood Covenant ritual!

Just as she was about to sign the Blood Covenant with this Demon Beast, a mosquito landed on her leg and took a mouthful of her blood!!

“...”

“My name is Gu Yuexi. In this life, it seems I'm ruined...”