The Marquis Mansion's Elite Class - Chapter 556

Xiao Lin, a small doctor at a university hospital, has an unknown true identity – a military doctor of the Huaxia Dragon Soul special forces.Despite considering himself low-key, he leads a high-profile life.

Song Yaoyao had already died in her previous life. Her life ended on the day of her 19th birthday. Cause of death: heart failure.

To reward Meng Fan for his bravery before his heroic death, the cosmos rewarded him with a ‘system’, sending him back in time to three months ago, alive.

- Description from Novelupdates

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.