MTL - I’m In Konoha, Life Becomes a Game - Chapter 13

[ Loki, The God of Mischief, Jest, and Woe, is amused. ][ The Goddess of Fate and Luck is annoyed. ][ You are the cause and center of two gods fighting. ]Ethan Cross, a brilliant doctor in a futuristic Earth, was devastated when he realized that his entire life—and the life of the woman he loved—was nothing more than a source of amusement for a mischievous god.But when another god, the Goddess of Fate and Luck, intervened on his behalf, Ethan found himself at the center of a divine battle, gaining a dangerous but powerful gift.[ You’ve awakened the SSS-RANKED SKILL: Fate Breaker! ][ You’ve awakened a system: The Supreme Fate Breaker System. ]For a fleeting moment, hope returned. Ethan was offered a chance to save Claire, the woman he couldn’t bear to lose.[ You’ve been granted God-Level Authority for three seconds. ][ Do you wish to rewind Claire’s soul trajectory?]“Yes!”But fate had other plans.[ Bug detected. ][ Message included with bug. ][ “It’s from me, your favorite god—Loki, the God of Mischief.” ][ 1-second system override has been taken by the God of Mischief. ][ Your soul has been sent to an alternate universe. ]Now thrust into a world of magic and monsters, where gods toy with mortal lives, Ethan must adapt or perish.

When he woke up, Xiao Junlin transmigrated into the novel he was reading, but he was not the protagonist, but the male partner’s father, who was still a licking dog.

“I have ruined your reputation for the first time. From today, my son will be relieved of all positions in the group.”

“Ding, the host cuts off the relationship with his son and gets a reward of twenty years younger.”

“Don’t call me uncle, the stinky girl only knows how to use my son. Starting today, you will be demoted and go downstairs to clean the toilet.”

“Ding, the host successfully suppressed the heroine, and obtained god-level investment skills and god-level fighting skills.” Killing the dog, suppressing the heroine, and winning the protagonist’s creation, Xiao Junlin found that he was gradually approaching the peak of his life. …

- Description from novelbuddy

Ajax was an orphan who survives a massacre along with his friends but unfortunately gets separated from them.

Fortunately, after a turn of events, he successfully gains a system which helps him increase his cultivation, but doesn't know what it is called.

But he knows one thing for sure, this system is very powerful and helpful in taking his revenge.

“Whoever you are, I am gonna find you”, Ajax mumbled himself with a disgruntled expression.

In a world where Summoning of an elemental spirit is done through a dream when they are 15 years old, Ajax with the help of a system and his summoned spirits sets out on a journey to seek revenge against the mastermind behind the massacre.

In the original lines of the novel, I was a villainess—used as a political tool by my father and older brother—who ended up dying at the hands of my future husband.