The Main Characters That Only I Know - Chapter 6:

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.

Ali Avery was a successful young man adored by everyone. But things were not as they were shown to the life. Shunned and betrayed by his peers... He was hiding among happy facades.

[Initializing Harem System of the Demonic Dragon God]“Damn! I was right!”He received the greatest gift of all, a System!A world of cultivation, where the strongest rule! The man took the place of Strax Vorah, a noble abandoned by his family that worships the Sword.With an insane desire to become the strongest of all, he now wants to have the most powerful wives!________________Additional tags: Fantasy - Adventure - Action - Romance - Harem - R18 - No NTR - No Yuri - Weak to Strong - Bloodlines - Evolution

A girl Alicia lived as an orphan in a world of sword and magic Ciel.

One day, she learned that she was an “otome game’s heroine”. Even her parents’ death was simply a part of the scenario. Alicia judged the heroine’s setting as 「nonsense」and discarded it decisively. She introduced herself as adventurer 『Aria』, gradually mastered multiple weapons and magic, and grew to become the 「Ash Crowned Princess of Slaughter」! But, by accepting a request to guard the “villainess”, before she realized it she got dragged into the stage where nobles quarreled against each other――？

「I am “I”. I’m not a game character!」

Create weapon! Train your body!

Survive the fighting against powerful enemies and smash apart the otome game!

A sublime and exhilarating other world battle fantasy with charming fighting heroine!