Re:Zero Kara Hajimeru Isekai Seikatsu - Volume 4, Chapter 46 [Locusts]

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

“I'll take this child.” Sold to the Wudang Sect's outer martial arts training hall for three silver coins at a young age, Kwak Yeon dreams of mastering supreme martial arts. But can he overcome the needle-sized gateway barely permitted to trainee instructors and rise to become a disciple of the main sect? “A true gentleman cannot stand idle in the face of injustice!” Thus begins Kwak Yeon's unyielding journey through the martial world, following the ruthless principle of “Kill Buddha, Kill Ancestors”—destroying all obstacles in his path!

Crying blood and tears, she pledged a poisonous vow. The gods did not fail her. She was sent back to a decade ago. The legitimate daughter of Jiang family returned from hell.

Ye Yuwei, a natural-born adorable girl.Driven by her dream of becoming an idol, she joins the 'Galaxy Girl Group,' only to discover that her teammates are far from pure-hearted white lotus flowers, innocent little rabbits, or simple-minded beings with no cunning intentions.Most of her teammates are scheming and cold-blooded, with a beautiful exterior masking their venomous hearts—they're masters of manipulation and experts in internal disputes.Under fierce competition,Ye Yuwei is ultimately framed by her teammates and ends up shelved by the company.She thought her idol career had come to an end.But unexpectedly, the company decided to repurpose her under the principle of making use of 'waste' by sending her to participate in a talent show.Amid widespread criticism, she rises to fame as a top national idol and experiences her first romance in life—the hot-blooded and passionate love of Long Zitao, the president of Dragon Entertainment.You think this marks the beginning of a perfect life?No, following her rise to fame, she not only has to endure exploitation by the company and deal with bizarre fans but also face challenges from various major figures, unspoken rules, and her ulterior-motive-filled former teammates…