Stacy is the protagonist of the story.

Stacy is a vocalist who primarily works in local clubs and pubs she doesn’t wish to go viral or want fame, in fact, she has more than enough money to settle down but chooses not to.

To most, Stacy comes off as very serious and cold but getting to know her shows that she’s more than just a “resting bitch face”. However, she can come off as quite snappy and panicky at times however deep down Stacy is incredibly selfish.

Before becoming a vocalist Stacy was a con artist who worked under Estelle and 8 others, however, she didn’t go under the Stacy we know today.

It’s later revealed in the story that Stacy is a fake identity and little hits are presented in the animation that she’s not who she says she is, her real name being Victoria which becomes a key factor in the story later on.

it’s revealed later in the story that she killed the real Stacy and undertook her identity to go into hiding while faking a death under her original identity Victoria, despite this whole scenario she still lives in constant paranoia and is revealed later to be the main antagonist of the story if you will.