After Rebirth, I Made up for My Regrets and Became a Superstar.

He was just a primary school student when he met her, and a handwritten love letter brought the two closer together. A female academic tyrant and a male academic scumbag! Later, the boy quietly left her world. Except for a very few parts! No one knew about the boy's departure. When she came back from rebirth, her regret for not completing it made her sincere. But when did you become a star? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.