Reborn in 1990: My Sign-In Life

Protagonist: Wei Yi (In his previous life, he was a business magnate in 2024. After dying unexpectedly, he is reborn in 1990, back in high school at age sixteen, with a mature soul, knowledge far ahead of his time, and a daily sign-in System.)

Heroine: Lin Xiaoxiao (Wei Yi's childhood friend and classmate. Pure and resilient, with a strong heart, she was the only bright spot in his dark past life and is the one person he will protect in this life.)

Core System: Daily sign-in System (Sign-in rewards range from starting funds, skills, and attribute points to future business intelligence, technological blueprints, and even special faction summoning cards. The System continues to upgrade as the protagonist grows and the times change.)