The Black Book: Seven Deadly Sins - Chapter 445: Absolute Shadow

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.

Xin Yan was betrayed in her past life, brutally killed by her boyfriend and her best friend.But she didn't expect to get reincarnated.“In this life, I will plot my revenge against those who have harmed I and my family,” Xin Yan vowed.“Darling, don't you need me to help,” a coquettish male lead asked.Xin Yan felt her scalp tingle as she gritted her teeth.“Fine,” it wasn't bad to have someone take revenge on her behalf, was it?Have questions?

Liu Ming, since he was young, lived in a savage prison named Savage Island where the prisoners aren’t controlled by any guard or security. When the island sinks due to “mysterious” events, only a handful of people survive – those survivors are then pursued by the government.

On the other hand at another place two practitioners are worrying about what will happen to them because the young master that they were supposed to protect had died.

Their young master looks nearly like our MC
What will happen?

- Description from Novelupdates

Du Yu has no clue about how he has transmigrated to a world of demon taming.He is also in a state of confusion when he contracts the Golden Crow that was literally a sun.“Are you from the legendary Golden Crow Race? What do you want to do?”“Don't, drive me away. I can, help you, with cultivation, is that okay?”