【Winner of the 12th Net Novel Grand Prize, Comic Division. Manga adaptation currently underway on BookLive】

――Oh no, this is a losing game.

The Crown Prince and a pink-haired Baron's daughter gaze at each other in a moonlit garden.

The moment she witnesses them, the villainess, Mireille Gasterque, regains her memories of a past life.

This is the world of a romance game app, and she is the villainess of the Crown Prince's route.

A thoroughly clichéd loser's life awaits her: continuously tormenting the heroine at the aristocratic academy, being condemned at the graduation party, and sent to a convent.

…This is no laughing matter!

Don't you dare use me as a stepping stone!

Now that she's regained her memories, her respect and affection for the Crown Prince have vanished.

Because that Crown Prince wasn't my *oshi*!

My *oshi* is Noel!!

While breaking off the engagement with the Crown Prince is welcome, being condemned is absolutely out of the question.

To enjoy a carefree *oshi* life, she absolutely must make sure the Crown Prince is deemed "at fault"!

【Mireille's Survival Strategy】

1. Don't bully the heroine.

2. Gain allies.

3. Thoroughly cover up past blunders!

Mireille strives to achieve her *oshi* life by strictly adhering to these three rules.

But for some reason, her estranged step-brother begins to be drawn to Mireille...

"If the Crown Prince doesn't want you, I'll take you. I'll definitely make you happy."

Wait, wait, wait!?

All she wants is to enjoy her *oshi* life, but the troublesome heroine and Crown Prince, plus her step-brother, are all taking unexpected actions, making things unmanageable…!

Can Mireille successfully achieve her *oshi* life…?

＊ A happy ending with plenty of comeuppance.

＊ Note: The protagonist believes her step-brother is her biological brother.

＊ Also serialized on Kakuyomu.