I was planning to read this but now cuz of your "spoiler" that's kinda ruined.....
Noooo i didn't wan't to know that yet....no.no.no.no.no Y-Y T-T I WANT MORREEEE!!!!!
Wow. Fuck you. Who even posts spoilers that big on something everyone can see?
At least have the decency to attempt to hide the spoiler so if someone wishes to read it they have to hit the + to read it.
Also...
That smile was because she completed her task given to her at her creation ._. and she no longer had to help human life.
He (blond guy with long hair aka main character) sacrifices himself. The mother board computer girl ends up smiling creepily in the end too. Its a little weird.