Prologue

Twelve was found unconscious in her house at 8:37pm by the one and only, Detective One. No clue of whoever assaulted Twelve but thanks to Twelve's kind heart, the criminal was forgiven.

For some reason, this case seems to itch onto One's head. She still wanted to solve who the culprit was.
For some reason, she wanted that Serotonin every time she solved a case.

She was a desperate to solve whoever assaulted Twelve, this may even drive her insane