MTL - My Hi-tech Library - Chapter 1 mysterious black tattoo

In the beginning, when they all thought that she was “he”….

ML #1: We will be brothers for life!

ML #2: This time I’ll reluctantly let you have the #1 seat.

ML #3: I will properly repay royal teacher!

ML #4: Ah Rong is my closest little brother, I trust him.

Afterwards…

MLs: I’m seriously such a fool.

MLs: What do I do, I think I’m gay. I fell in love with my bro/rival/teacher….

Afterwards….

MLs: I’m straight! As straight as steel!

Note:
MC is a girl crossdressing as a boy, she knows how to fight, and naturally possess the gold finger halo from the author.

All the ML(s) is the same person, 1v1, sc, HE

- Description from Novelupdates

A young man dies tragically while trying to stop a robbery—only to awaken in complete darkness, lost between life and death.As his memories return, he discovers that he’s been reincarnated into a new world brimming with magic, Soul Weapons, and mystical powers. Reborn as Ares into a loving family, he quickly realizes that this world is far from peaceful. Armed with an SSS-Rank Trait and a Unique Ability, he faces every challenge head-on as he searches for his purpose in this strange new reality.

Ye Qingli is the daughter of an Imperial Businessman’s first wife, wealthy and overbearing. But because of her mother’s early funeral, she suffered utter oppression and abuse under the hands of her stepmother. On the eve of her marriage, she died tragically in the hands of her stepsister and her own fiance!

He is an overbearing, tyrannical, cold-hearted, demonic king. Grim and ruthless, only restrained by his wife and son!

Once reborn, the weak daughter transfigured into a Divine Genius Healer. There was no intersection between the two people, yet they were bestowed a paper of marriage!

Subdue and kill the Seven Wives?

Very well. This daughter also wants to kill her evil, wicked stepmother and stepsisters! Do you still dare marry me?

However, the Handsome Prince and the Divine Genius Doctor, how do you get them together?

Ye Qingli touched her chin: “So many people, which one do I choose?”

A furious royal highness: “Herald, continue dispatching orders. Whichever male creature dares get within three feet of the royal consort, kill him immediately!

- Description from Novelupdates

“I won't divorce you, Melissa. Until your last breath, you will live with me in this nameless marriage,” Radulf declared.Melissa Rosetta, the illegitimate daughter of the Alpha King and an omega servant, had no choice but to comply with her father's demand― marry Radulf De Lagrange, the fallen Alpha of the once-powerful Shadow Hunter Pack.Despite being the strongest dominant alpha, Radulf's influence and power crumbled when his father was accused of treason against the crown.As for Radulf's punishment? He was forced to marry a weak, wolf-less omega, who he had nothing but disdain for. To top it off, he was sent to the Western Frontier on his wedding day.Melissa eagerly awaited Radulf's return as she suffered through ridicule, believing that when he did, he would be happy to see how mighty his pack had become under her care.However, after four years, Radulf returned with a beautiful woman, shattering Melissa's heart.“You betrayed me while I stayed loyal to you. I don't want to live with you and watch your affair with another woman. Divorce me, Radulf, and free me from this marriage. If you don't wish to do that, then mark me,” Melissa demanded on the day of his return.“Divorce you, Feisty Princess? Never! If you want to get marked, then beg me or seduce me to do so,” Radulf challenged.On the day of his rut, he said, “Melissa, my mate, allow me to mark you.”