The World of Otome Games is Tough For Mobs - Volume 10, Chapter 01 “The First Princess”

Su Ran, a music prodigy, woke up transmigrated into a book.

At that point in time, the main story arc in the book had already been completed. As a villainess female supporting character, not only did she need to take over the original owner’s pitiful life in poverty, she also gained an instant son right at his rebellious period.

Ten or so more years from then, the son would turn into a twisted, evil villain. He would appear in one of the extra chapters to pick on the male and female lead’s children.

***

Su Ran: Son, you shouldn’t be too outstanding.
Su Han: Why not?
Su Ran: ’cause you will be killed.

Su Ran: Son, would you like to learn music from me and become a zen, little fairy boy who only needs to drink dew.
Su Han: No, I want to go into business so I can support you.

- Description from Novelupdates

After dedicating her life and curing the sick male protagonist, Jin Hua realized that she was living in a book, and she was the female cannon fodder who burned herself and illuminated others.

Since her death, the male protagonist finally learned to love himself and others, and then tearfully spoiled the female protagonist who was six or seven similar to her, becoming a model couple that everyone envied.

After the rebirth, Jin Hua didn’t want to sacrifice herself to pave the way for others, and took the initiative to hug the thigh of the villain Bamboo Horse, the man who forced herself to be the villain for her, and was finally made insane by the combination of the hero and heroine.

In this life, Jin Hua only wants to stay away from the plot line of the hero and heroine. The goal in life is to chase after Jian Huaiyu, love Jian Huaiyu, and love Jian Huaiyu.

Jian Huaiyu’s life creed is: love Jinhua, love Jinhua, or love Jinhua, love her to heaven.

[Sweet pet 1V1, full text is sweet]

- Description from novelbuddy

[Simulation] + [Isekai] + [Goblin] + [Harem]After a long sleep, I awakened in a new life—as a goblin. Weak and insignificant, I found myself reborn as the lowest creature in a world filled with hostility and danger. But from the shadows of this cruel world, a silent rise begins...

Riven's life turns upside down when Elysium's Multiverse absorbs planet Earth. On the fringes of a newly growing galaxy where magic and fantasy are both very real, the inhabitants of three merged worlds must find a way to survive the trials Elysium sets out for them. Riven finds himself thrust into a whirlwind of chaotic events just trying to make it out in one piece, learning how to craft the dark arts to do his bidding as he strives to keep his loved ones safe.But the powers of this new multiverse have other plans for Riven's tiny planet, and Elysium's worldwide trials are just the beginning.*A mixture of brutal violence, the darker aspects of humanity, and comedy. Centered around a blood mage / warlock and his demonic summons. This story is full of gory fight scenes, you have been warned.**Inspired by 'Defiance of the Fall', 'Primal Hunter', 'The Legend of Randidly Ghosthound', and 'Infinite Realm' series. I hope I do them justice.*