When it comes to primary school students' writing, you're right.
It is divided into the past life and the present life, the past life was cruel, the present life is sweet, and it is divided into personal preferences.
The story is about two female protagonists, in the first year of the year, with a master-disciple setting, where the master attacks and the apprentice accepts, so don't take sides.
There may be a sequel covering other CPs, or it may be completed in one volume.
Past and present life, the relationship between master and disciple...
Intention: Write whatever you want.