Reborn as the Weakest Beast Egg? The Campus Belle Contracts Me in Tears

I was reborn as the F-rank beast egg mocked by the entire school, but on contract day, the school belle chose me.

"Has Su Li gone crazy? She'd be better off raising a grass snake than contracting with this useless egg!"

When an assassin ripped her sleeve, blood-red metallic patterns suddenly spread across my shell.

[Eternal Evolution System activated! Lifespan exchange rate: 1 year = 100 evolution points]

[Mechanical Divine Core bound! Lethal threat detected. Recommend loading the Annihilation Particle Cannon.]

I burned thirty years of my lifespan, and when the shell cracked, what emerged wasn't a claw...

It was the pitch-black muzzle of a cannon.