Tensei Shitara Slime Datta Ken (WN) - Chapter 370

In the blink of an eye, the teachers and students of an entire academy unexpectedly transmigrated to a primeval wilderness rife with danger.University student Han Ning, by virtue of a panel in his hand that can add points to Soul Beasts, slaughters all in his path in the treacherous Otherworld.

He was just an ordinary orphan.At least he thought he was,That was until some group claiming to be the Hero Faction tried to recruit him for being the inheritor of a lost bloodline.

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

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates