Marvel: I'm a Symbiote - Symbiote 0224: Quirky Suit

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

[*Ding*

"God of Mischief is interested in you and wants you to be his emissary. Do you accept?"

With blood and wounds covered his entire body, the voice echoing inside his mind was like that of a hope shining upon him.

In the glorious future era, mankind had discovered the bottom of the sea and conquered the sky, but they also accidentally opened the Pandora box that shouldn't be opened. They found a place where lived numerous unknown creatures.

Here, humans will wrest their lives to step upon their greatest evolution and create their own myths, including Theodore.

Faced with betrayals, surrounded by beasts, and faced with imminent death, he answered with resolve and tenacity.

"Yes!"

Liu Yong has a pet snapping turtle that can grow continuously. The bigger it gets, the rivers and lakes can no longer accommodate it, so he can only go to the sea to dominate.

This is also a magical snapping turtle. Liu Yong can communicate with it without barriers, and the attributes and skills of the snapping turtle can also be shared. Therefore, someone who is the owner of the snapping turtle also criticized it.

- Description from novelbuddy