Global Demon King: Starting as the Abyssal Dragon - Chapter 95

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates

A Mature Lady: You have a house?

Jiang Xiu: I can cultivate.

A Ms. Perfect: You have a car?

Jiang Xiu: I can cultivate.

A Loli: Big Brother Jiang Xiu, do you have a seven-figure bank balance?

Jiang Xiu: I can cultivate.

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Jiang Xiu once transmigrated to the Immortal Martial Continent, living out a long life there and establishing himself with renowned fame. He finds himself waking up to strange circumstances and discovers that he’s returned back home. What happened exactly? And what’ll he do from now on? Follow Jiang Xiu as he deals with the crazy scenarios fate has in store for him.

- Description from Novelupdates

Once she crossed through, she actually became the disfavored third WangFei?

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.