The Regressor of Mount Hua - Chapter 309. Nine Children of the Dragon Pillars (1)

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.

Ling Yihan arrived in the Wuxia world of “Heavenly Sword,” where he mastered the Nine Suns Divine Art, seized six Holy Fire Orders, and obtained the Imperial Jade Seal.Through system tasks, he acquired the Bridal Garment Divine Skill, Bright Jade Skill, Spirit Link Finger, and many other extraordinary techniques…Ji Xiaofu: “Your fingers… they can actually hold my sword…”Dai Qisi: “How is it that his martial arts are so similar to our Persian techniques…”Yin Susu: “My mosquito whiskers are useless against him…”Fan Yao: “His moves are even more bizarre than mine…”Qingyi Bat King: “My speed can’t match his…”Xuanming Elders: “Even the combined power of our Xuanming Divine Palm can’t withstand his Nine Suns Divine Art…”Zhang Sanfeng: “Ling, my friend, your Move the Flower and Connect the Jade technique is just as powerful as my Tai Chi fist…”Feilu.com reminds you: This novel and its characters are purely fictional. Any resemblance to actual events or persons is purely coincidental. Please do not imitate.

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

He is very cold and passionate, Mu Yanwang, who means what he says. He has always regarded women as dirt but she, he has only spoiled her.