I Became the Devil Queen's Heart Demon - Chapter 9: Casanova, Watch the Fist!

My daughters started regressing out of nowhere, stirring up a storm because they missed their mother.…But I haven’t even married yet, let alone have any daughters!?

The daughter of a healthcare company's CEO, Ines Jackson was in an arranged relationship that was soon supposed to turn into a marriage.However, her fiancé, Trevor Harrington, was physically abusing her and using her only for her family’s status.One night, while running away from him as he chased her in a drunken rage, she bumped into a guy…not just any guy, but a famous boxer: Raphael Giovanni, whom she had never heard of personally.He saved Ines from Trevor, and in her rush for safety, she offered him a marriage in return.Unbeknownst to Ines, Raphael knew her father, who was responsible for his mother’s health issues and eventually her death.Seeking revenge, Raphael agreed to the marriage. But little did he know that the heiress would become more than just a part of his revenge plan.“You can’t love me…monsters like me don’t live enough to experience love.”

Julietta, born as an illegitimate child of a nobility, is raised in an opera theatre to hide away from the eyes of the noble’s main wife.

You take up a student career.

Student career upgrade to lv.7

Acquired skills: primary school knowledge, junior high school knowledge, high school knowledge.

You take the college entrance examination,

You got a perfect score.

Your basic occupation has been upgraded to lv.9, and the job transfer system has been activated.

You change jobs to become a scientist, you gain R&D skills

You use research and development skills to get space fortress construction technology

You use R&D skills to gain starship technology.

You are invincible.

- Description from novelbuddy