One Piece: Unreal Adventure - Chapter 67: M-My pearls…

After dying from a strange terminal illness, Ling Lan was reborn into a world 10,000 years into the future. Although she dearly wished she could just live a peaceful and uneventful life in her new healthy body, fate had other plans…

Forced to disguise herself as a boy just so she could inherit her deceased father’s premium military benefits, Ling Lan’s journey to adulthood was full of challenges. After much difficulty, she finally turned sixteen when she could drop the charade. But before she could grasp her newfound freedom to get married and start her own family, a twist of fate results in her being thrown into the Federation’s top military boys’ school.

With these twists of fate, Ling Lan had little choice but to walk further and further down a path of no return, one of cold and aloof dominance…

- Description from Novelupdates

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.

Noah Morgan has been labeled a loser, mocked by peers, and betrayed by loved ones. He is a man that society loves to ridicule and despise. He hits rock bottom when the person he trusted most turns against him publicly.However, just as everything falls apart, an envelope with a Phoenix stamp slipped inside his boring flat, revealing a shocking truth: Noah is the illegitimate son and heir of a secretive but powerful trillionaire.Noah inherits money and much more; he inherits a Wealth Management System, a digital interface that could assist him in expanding his wealth, unlocking hidden assets, and gaining abilities to influence people, increase his physical power, and get revenge on people who have hurt him.Now, Noah rises from the ashes with nearly unlimited wealth and resources.His enemies laughed and ridiculed him once, but soon they will learn his vengeance.

[Urban Martial Arts, Passionate Martial World.] He was a super expert who, due to accepting an inheritance, underwent a physical transformation that put his life at risk. To extend his life, the king returned...