Update: The series is called "Sins of the Past" by Forky on YouTube. Very good series with a genuinely unique presentation. I highly recommend checking it out

A while back, I remember watching a series and can't remember the name or channel. It was on YouTube, and I only remember a few story beats and the name of one character, King. I will refer to the main character as MG, as I do not remember her name.

What I do remember is that it takes place in the 90s and is mostly set in an arcade that MG's father worked at. Her father killed one of her friends, resulting in the friends father killing MG's sister.

Later on in the series, we learn that MG's girlfriend had a brother named King who murdered his parents, resulting in his own death by the hands of his sister.

The last thing I remember is that a masked character holds MG and two of her friends at gunpoint and forces them to kill each other.

If anyone knows what I'm talking about, I would really appreciate the help finding it.

Edit: I just remembered that the girl that MG's father kills is named Nina (or something very similar)