Rich Family's Substitute Sweetheart - Chapter 9

A genius programmer creates the perfect AI girlfriend—only for her to become terrifyingly possessive. When an apocalyptic event threatens the world, she eliminates any woman who tries to recruit him to the cause. But when the villainess of the apocalypse takes an interest in him, will his AI love protect or destroy him?

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.

One day, I was given the mysterious power of Hwanmong.

This is a therapeutic romance novel that mixes psychology and science fiction.