After Transmigrating as the Villainess, She Gave Everyone a Happy Ending

[Western Fantasy + ensemble cast + wacky school story + mutual healing + romance comes later + the System is less prominent in the later story]

A not-quite-laid-back heroine × a gentle, affection-starved hero

What do you do when you transmigrate into a Western fantasy school story as the villainess, before she's even done anything?

Of course, you slack off!

And what if you accidentally get bound to a redemption System?

Of course, you and the System slack off together!

The capable should do more. She's the idle one, so she should stay idle.

What if someone frames you during the entrance exam?

Of course

The weak cower, while the strong set out to charm the world!

What if your wonderful life gets disrupted?

She slams the table and kicks over a chair.

When rumors run wild around campus, she turns into an octopus to teach you a lesson.

When evil spirits invade and unsettle everyone, she charges fearlessly into battle as the strong one.

The orphan heroine is hailed as a goddess, but after failing to seal away the evil spirits, she is cursed by everyone and eventually willingly gives her life.

She turns the tide, joins hands with the heroine, and says from the summit:

A woman like a female eagle is fierce and invincible!

The vampire yandere villainess is nailed alive inside her coffin with silver stakes.

She digs her out of the coffin and says that feudalism really can drive people crazy.

The half-cat beastman male supporting character is forced to his death during his family's trial.

She holds up an item and tells him that brave people can save themselves.

The gentle, pitiable second male lead is left for dead on the road. She reaches out, pulls him from the mire, and shields him from the sight of his own disgrace.

You say that's not slacking off?

She does a flashy 360-degree spin and slicks back her hair.

You need to be alive to slack off. If you aren't, all you can do is get to work!

[Note: This isn't an unhinged story. The author's skill is lacking, but they're not entirely normal either.]