The Path of Survivor begins with obtaining titles - Chapter 270 - 161: Selling Pills_2

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.

One of the seven strongest people on the continent, the King of Mercenaries. He started a war to avenge his fallen family and destroyed territory but failed and lost his life. However… “Wow, I’m alive?” I returned to the past, back through time. A perfect opportunity to right my regrets and reverse everything. It doesn’t matter if people around me point fingers, calling me a scoundrel, or dismiss me as tr*sh. Because… “I’ve got a plan.” “What plan?” “A plan to destroy everything.” There won’t be a second failure. This time, I’ll wipe out all my enemies. …But first, I need to rebuild this damn estate.

Ling Jing Shu lived with humiliation and heavy burdens all her life, and only at the moment before death, she suddenly woke up and repented. If god gives her a chance to live for a second time, she will say three words to the man who let her down: You Get Lost!!

- Description from Novelupdates

The Divinity Clan is the strongest of the five governing clans in the empire of Olcour. Its heir, Dheinyrus Theocheirós, has been hailed as the strongest human in the world after being recorded to obliterate a dragon as a toddler and wiping out an entire demon encampment as a child.Little did everyone know, Dhein is actually powerless. Failing to awaken his ability to connect his soul to the divine, he is unable to use the supernatural powers granted to all members of the Divinity Clan.Fearing the consequences of being exposed, Dhein did his best in hiding his real circumstances. He proceeded to trick people using rehearsed lines and fake confidence into thinking that he is the strongest human in the history of mankind.And it worked. For years, he became the most feared individual not just in the empire, but the whole world. His excellent lies coupled with the extremely unlikely events that favored Dhein had cemented his position as the strongest.Until one day, he was required to face the scions of the other four governing clans in battle.