Mary Sue, Disqualified

[An old, badly written story. Don't read it, seriously.]

Ongoing story: Every Day I'm Turning Evil [Quick Transmigration]

Draft story: In My BGM [Quick Transmigration]

A HUGE, BOLD HELP REQUEST!!!

#WhatShouldAFemaleSideCharacterDoIfSheSuddenlyTransmigrates#

#WhatShouldAFemaleSideCharacterDoIfSheHasASystem#

I was supposed to be a disposable side character,

then live an ordinary life.

But lately, I've suddenly become incredibly beautiful, charming, and popular.

What should I, the original heroine, do?

Waiting for answers online. This is urgent!

════No reading lists, please════

A crazy, self-destructive Mary Sue VS a universally adored System Mary Sue.

One was born with a halo, while the other acquired special effects later in life.

And

An unconventional heroine X an unconventional hero

Theme: