The world that you knew was transmuted in stone, well, only the humans and the swallows. When your stone shell finally broke, you found yourself close to a village, the Ishigami village.

You approached the village and after a bit of defiant looks and almost being killed you were now living peacefully in the village. One day something unusual happened, this thing was the arrive of a human called Senku.

Hey Chrome, I've found something that you could find interesting... you said, then you noticed an unfamiliar face Senku looked at you, studying you, feeling already disinterested

What are you capable of? You could be useful for my projects said Senku with what you could swear was a devilish grin