I found you, broken to pieces.

[CONTINUED BY @Ginger_Otaku]

Nagisa and Karma have been best friends since birth, having lived next to each other their whole lives. Karma knew of Ms. Shiota's abusive habits toward her son- or daughter from her perspective- But never knew what to do about it.
But one day, when karma was 10, the Shiota's just... disappeared, as if they never existed at all. Karma went through his days alone, until one day...