Be A Son-in-law After Cultivating Immortality - Chapter 5

This was a fragmented and disorganized world, this was a place that had been forgotten.

She transmigrated into a novel of showbiz, becoming a member of a popular boy band. The original character dressed as a man and passionately showed her love to the male lead, only to be killed tragically in the end.As the most beloved daughter possessing great beauty in a rich family, how could she sacrifice herself for just a man?Thus, she transformed herself, becoming incredibly handsome, attracting countless fans.Her teammates found she began to focus on the career rather than the male lead, attracting tens of millions of fans and winning numerous trophies.The original male lead felt her ignorance and instead, found her hovering around his big brother...“Hey, this is tea that I had someone bring from Suzhou for you to try.”“Hey, this is Fish I made myself. Would you like to have a taste?”As the brother of the male lead, he was a big tycoon in the story, supporting the band with countless resources. Naturally, she tried to please him to climb higher, but why did the expression in his eyes become increasingly strange...He watched the 'little guy' busy around him, his eyes deep and secretive, suddenly pulling her into his embrace.She freaked out,“What are you doing?””The dish isn't tasty. I want to taste you.“”But I'm a man!“”Got it.“”No! Actually, I lied to you. I'm a woman!“”I've been lying to you too.“

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

When The Cute Kunoichis Spied on Their Teacher's Secret is a light novel written by Kazuma Kamachi and illustrated by Ryuushi Tajima.

The story takes place in a world where Japan never ended their isolationist phase, and agents from foreign powers are always threatening to steal the country's advanced technology. In order to combat this threat there has been a resurgence of ninjas that use Strategic Martial Arts, techniques that combine cutting-edge modern technology with a traditional foundation of martial arts and ninjutsu. The story follows Souha Sugiyado, a 17-year old ninja instructor and former ninja prodigy who was forced to retire from active duty by the wounds he suffered in his last mission. Souha's four students are all kunoichi who have all gained the rank of Elite Ninja, the highest official rank available to ninja. However, one day two Shogunate ninja approach him with the news that his four students have gone rogue and have stolen a portable modular nuclear reactor, and thus they ask for his help in bringing his students to justice.