How I Messed Up (Diary edition)

Have you ever seen the Riverdale series? If not. Then you can go ahead.
You don't have to watch the series if you want to read this book though. The main character is named Cheryl; the only similarity to the series is the character's mood. Cheryl is a brave redhead girl who travels her whole life. She's living with her mom and she's an only child. She has mood swings like all teenagers do. She's sixteen after all. Loves red lipstick and just started to write in her diary that her mom bought for her thirteenth birthday.
Her life is hard. She moves from one country to another. Never has stability and her grades are kinda low because it's hard to learn a new language every five months.
Why is she moving every five months? You would ask...
Why is her life so horrible?
Will she be an immigrant for the rest of her life?
Where is she going to move next?
Why did she mess up?
And how did she mess up?
Only by reading this book, you will find out.