MTL - The Troubleshooting Diary at Hogwarts - Chapter 17 Sunny on February 14 (Part 1)

Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled…. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.

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.

Chen Meilan was reborn, finding herself back in 1988 when she had been abandoned by her nouveau riche ex-husband and was struggling to raise her daughter alone.Her ex-husband had left her with a large courtyard house in the suburbs and a bank balance with four zeros.In her previous life, Chen Meilan’s pride had caused her to lose both of these assets, a decision she later deeply regretted.Yan Zhaocai had just returned from the battlefield, decorated with medals for his valor in the war of self-defense.Yet he voluntarily gave up his honors, transferred back to his hometown, and joined the police force. As soon as he arrived, he received divorce papers from his wife.After reporting to the police station, Yan Zhaocai, with his child in tow, was urgently seeking a place to settle down.Chen Meilan, with her rural household registration, couldn’t legally own the courtyard house given by her ex-husband. She too was in a desperate situation.At this moment, someone brought Yan Zhaocai to meet her.Yan Zhaocai was drawn to the fact that she also had a child. He thought that if he could be accommodating, she wouldn’t mistreat his child.Chen Meilan observed this man in his military uniform, tall and well-built, with a stern face. She remembered that in her previous life, it was his uncompromising integrity at work that had landed the nouveau riche and his mistress in jail after a coal mine collapse.Suddenly, she realized this man was quite a catch. Definitely marriage material!And so, their blissful second marriage began…

"When will people understand.... I'm only half insane?"