Overlord (LN) - Chapter 44 - Volume 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.

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

The most successful businessman of his time, who started from being a homeless orphan, died indignantly because of being plotted against by his most trusted aid, his own brother.

Lin Xiao, who just won China’s first World trophy, got in an accident and was reborn five years later.

With the rapid development of the eSports industry, the career as professional player bloomed, the Club’s Gods circle/Professional Commentators circle/Popular MCs circle, the old friends from back then were all over the place.

The return of a King, aiming for the League, going from an unknown rookie to once again rising to the top.

Reporter: Regarding the rumours between you and Captain You, is there anything you want to say?
Lin Xiao: With all due respect, with my ability there is no need for un-spoken-rules!
Reporter: Captain You, is there anything you want to add?
You Jing: The rumours are true, back then he was vying for my love.
Lin Xiao: …how many times do I need to say it, that person wasn’t me!

- Description from Novelupdates