Black Card Debt: Daddy's Little Thief (Omegaverse bl) - Chapter 48: Losing it to him?

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

Born of a great family, world shaking genius.

The path of longevity is loneliness, it is solitude, it is the unbearable cold of being at the summit.Reborn in a different world filled with hidden dangers, Song Changsheng fortunately obtains a mysterious Daoist Scripture:Breaking through to Early-stage Qi Refining, he obtains the “Yin Yang Profound Flower Scripture,” absorbing Sun and Moon Essence, cultivating both Yin and Yang.Breaking through to Mid-stage Qi Refining, he obtains the “Breath Concealment Technique,” concealing his aura and obscuring heavenly secrets.Breaking through to Late-stage Qi Refining, he obtains the “Water and Fire Manipulation Technique,” and the world's water and fire become his vanguards.Breaking through to Qi Refining Great Perfection, he obtains the “Delusion-Shattering Pupil Technique” to see through confusion and trace things back to their source.Breaking through to Early-stage Foundation Establishment, he obtains the “Five Beasts Body Refining Technique”...

The MC entered the body of the An family eldest son, An Ziran, an arrogant 16 years old boy who weighed 78 kg (~171-172 lbs), who only knew how to eat, play and sleep. Seeing his current body, An Ziran decided his first priority was to LOSE WEIGHT!