Toaru Majutsu no Index - Volume 2, Chapter 1: A Tower of Glass. The_Tower_of_BABEL.

An ordinary medical student suddenly got the blessing of the system and could directly see the patient’s health! Since then, treating illnesses and saving lives has become commonplace, and he has also become a legend in the medical field.

- Description from novelbuddy

“Didn’t you want me to be with you when you bought me? I’m willing to do it!” said the cold business tycoon. He was unrivalled when he behaved like a bully.

After Stargaze Family executed his family, Noel Ardagan embarked on his journey, restoring his family name with the help of a System.

"What? How the heck did she get it before me? The system told me that I'm the only one who knows about it!" Noel Ardagan cursed in anger, "That conniving murdering woman!"

"At this point in time, only I should be aware about this tomb. But how did he find out about it?" Anna Stargaze, even after her reincarnation, couldn’t comprehend Noel's actions.

The clash between of a person holding a system and a reincarnator who knows everything in the future is about to start.