Revive Rome: Wait! Why not make the empress fall in love with me first? - Chapter 511 - 21: World Lines

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.

A boy born with the potential, so great that it threatend the world's powerhouses itself._____Born amidst chaos and tragedy, Azhrael, the son of the legendary Frost King and Celestial Witch, carries a burden no child should bear. Half of his soul was dormant into another world, while the other half was left sealed, hidden from the prying eyes of those who sought to destroy him.He was a child of immense potential—his very existence threatened gods and shook the balance of power in the world.However in the main story, Azhrael was only an “extra.” A mysterious beautiful boy with snow-white hair and dull grey eyes who exists in the shadow of others, bullied and beaten, unaware of the legacy he carries.That Is Until.

I am merely a reviewer, albeit the products I review are slightly different. For example, I review quantum computers, artificial intelligence, anti-gravity mech armor, planetary engines, sublight colonial ships, stellar detonators, etc…

Question, there is a beauty under the starry sky, her black hair looks like eternal night, her bright eyes shine like stars, her powerful magic power makes the world tremble, and her peerless beauty makes all living beings surrender, who is this beauty?

“That’s right, it’s me, the Witch King, Dorothy”

ps: The real name is “Otaku Witch”, a slow-fire setting text, too watery to enter! Don’t like water! Don’t like water!

- Description from novelbuddy