The World of Otome Games is Tough For Mobs - Side Story: Nightmare Ange-chan and Milene-chan

[Ding! Congratulations to the host for obtaining the 9-Tailed Heavenly Demon Fox Bloodline.]The Celestial Fox Deity: “Little Ancestor, our geniuses are struggling to advance their bloodlines. Could you spare just a small drop of your diluted blood?”…Cain wakes up only to find himself transmigrated into a novel that he had read a few years before his death.In this new fantasy realm where the strong are respected and the weak are trampled, Cain awakens his “Unique SSS-Ranked Primordial Beast Master Talent” before an error happens and merged with “Extra’s Harem Gacha System” which can help him become stronger by having sex with powerful women, including those summoned from the system’s Summon Pool.[Ding! You have shared an intimate moment with the Goddess of Light][Ding! You have received …% of her stats attributes][Ding! You have increased her stats attributes by …%]After merging his talent with the system, he can also contract and evolve powerful beasts, instantly upgrading their ranks using Evolution Points.With the ability to convert money into Evolution Points, Cain decides to build his own force, amass wealth, and take full advantage of the system’s potential to rise above all.[Ding! Do you want to refine the Ice Dragon’s Evolution Pill?][Ding! Do you want to refine the medicine liquid of God's rank?][Ding! Do you want to refine the Godbreaker sword of the God’s rank?]…

Xuanyuan was reborn into a strange new world where training to be a Xian was a cornerstone. There was however something ancient dwelling inside his body. He could now devour all of creation…

This is the journey of an ordinary boy and his transformation into the supreme being that reigns over all existence! Everywhere he went, he could not help but tie his fate with numerous women. It did not matter whether they were a goddess or a devil…

- Description from Novelupdates

Ditian travels to One Piece, and he can become stronger by playing the role of a muscular man.

Whether it is fighting skills or cultivation talent, he is the number one person in the world.

The physical liberation of tens of thousands of muscles compressed, the bones more than a thousand times harder than the hardest steel, the ghostly back of evil deeds, the recovery rate of flesh and blood rebirth, etc.

One person surrounded the entire Qibuhai, one person surrounded the top, one person invaded the city of advancement, and one person invaded the Holy Land and sat on the Void Throne.

It seems that at the beginning of invincibility, there is no one in the whole world who can fight!

Naval Headquarters: It’s terrible, it’s simply a humanoid monster

Shichibukai: We are surrounded, and when we meet, one will be abolished, two will die and three will surrender

Five Old Stars: Lord Im gave birth to a daughter for him

White Beard: I was punched to death by him

Blackbeard: I am often slapped in the face by him, I am really scared

Princess Baixing: My husband is the most gentle

Di Tian: They are all so weak, I can only eat the fruit of time and go twenty years later to see if these guys have become stronger

Twenty years later, the world has entered the era of ten emperors, one emperor and twelve generals. Have you heard that everyone’s abilities are against the sky?

Playing in the second world, in the world of cutting the red pupil, who still remembers Esthers?

- Description from novelbuddy

[This is your typical story where there is a System of unknown origin given to mankind, and the existence of Towers, Dungeons, and Constellations, the known or unknown ‘Gods and Demons’ of humanity’s collection of myths.]

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— Ding!

[Astronomical Event!]

An event called 'Emergence of Races' struck the human world where the planet Earth was stretched out like dough causing it to become seven times its original diameter.

Various Towers and Dungeons sprouted out of nowhere that caused an earthquake that broke the seismic scale.

Billions of humans died in the process that crumbled human society in an instant.

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And just like that, Russell Moon reincarnated in the world of his-considered-failure unpublished novel [The Forgotten Swordsman of Ruined Star], sixteen (16) years before the beginning of the ‘Main Story’ which was set forty (40) years after the Emergence of Races.

And due to that very reason, the existence of 'Untouched and Unknown elements' came back to bite him!

'Why did I write that way?'

Russell Moon lamented.