Bringing Back Your Promise: In A Cool Way

How to soften a Tsundere's Heart?

This is about a Jolly but Tsundere Girl.
She may be a Arrogant but she has a heart. She have close friends.

Unlike a shy fat boy who is always bullied and doesn't have many friends. The girl and boy we're neighbors and the boy wanted to be friends with her. The girl helped him and protected him from bullies and they became bestfriends and even promised to be with each other forever as they grew their love story.

Unfortunately, the boy's Family have to go to France, he said goodbye and the Girl was sad. The girls Father was Worried while driving and the horrible Accident Happend. As a result the girl had an Amnesia and the her father died.

Without the knowledge in what happened to the girl, the Boy became so Cool cause he didn't want to be bullied anymore for being fat. As a result, he became Romantic and Smart But he could never forget Thier Love Story.

After 10 years they Met again... And the boy flew back to thier place with his new slim apperance and Found out what happened to the Girl 10 years ago.

Now that he's not the fat shy boy before,
Will he do his best to bring back her memory? How will he Bring Her Back? Will they fulfill their promises?

This is my First Time and I don't think this Story is Nice
PS this is just a Try!
Thank you for the Support ❤
-Misu Gurojīri