Nano Machine (Web Novel KR) - Chapter 8: Entering the Academy (3)

Suffering the machinations of family, Remus is sent to the newly built border city of Greltheaven. A place filled with opportunities but also dangers.If it had been up to him, he would have stayed in the safety of the empire, slowly building his business as he had planned, but he did not have a choice, either go to the dangerous city or live a mediocre life.Which he is not willing to do.Swearing revenge, he packed his bags and moved to Greltheaven, a city of great dangers and fortune.... A brothel is not an easy business to run, much less get success, but since fate had so kindly decreed it upon him, he will not only run the brothel but will make it immensely successful.He had plans, big plans for it; he only hoped the city would remain standing long enough to turn his small business into an empire.

She was bored, so the Emperor accompanied her as she played in the three thousand realms and caught a phoenix for her to sit on. When she has cravings, the Emperor crossed through space to gather all kinds of delicacies and immortal fruits for her. Later on, she liked little kids, the Emperor tricked her, saying if she becomes the Empress, she’ll get her own kid. And like that, she became the Empress and got tricked by the Emperor into bed. However, she reincarnated and forgot everything…..

- 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.