Marriage First, True Love Later Novel - Chapter 178

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.

"There is a thin line between poison and medicine, and I shall make you dance on it!"

Quinlan, a simple office worker finds himself transmigrated to an extremely dangerous fantasy a land as a level 1 Commoner with nothing to his name but his wits- and a unique gift that accompanied his teleportation.No one in Thalorind could have predicted that this unassuming arrival- with the assistance of his powerful harem made up of exotic beauties- would one day rise to the top, redefining the very meaning of the term 'power'... And that he may have achieved said result by joining a criminal organization and clawing his way through its ranks.However, in the beginning Quinlan is painfully weak and alone, and thanks to his severe trust issues, joining a team is... hard. However, he soon notices that a lot of people have collars around their necks in this world... People that can't exactly betray him.“Oh, so you are a warrior who is looking for a master that strives to become the strongest? You found him.”“Wait, you are an assassin with an amazing, rare class who has a cruel master? Let me help you have a change of ownership...”“I know that you might not be a slave, but one of my classes is 'Slave Master', which would make you stronger should you become one... So how about it?”Follow Quinlan's journey as he grows in strength, amasses wealth, fights to the death, and meets lovely ladies.

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates