Stubborn Love of a Roguish Scion - Chapter 9 - My Wife, Ruoruo, Help Me...

[You have entered the dungeon at Gwachun Station’s 1st Exit.] When former high school student Kang Woojin finds himself returned back to Earth after being forcibly summoned to a foreign planet for 20 years, he soon finds that Earth is not the same, normal place as he once remembered it to be.

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

- 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.

[The 34th Galaxy Award for Best Online Novel][The No.1 on the Science Fiction Literature IP Adaptation Value Potential List (2023)][The Best Chinese Science Fiction Online Novel]…Have you heard?When the night is deep and silent, if you open your music player, put on headphones, curl up under the covers, and cover your head, listening to the same song on loop.After the loop has played forty-four times and you fall asleep, if you’re unlucky, when you open your eyes again, you will no longer be lying in your own bed, but will have entered a bizarre space completely isolated from reality.That space… on the surface, it appears to be places we commonly see, such as one’s own bedroom, the living room at home, the underground garage, the bathroom, the basketball court, construction sites, etc., but if you observe carefully, you’ll realize that everything is different…everything.====This is the story of an ordinary person, named Common, who after acquiring supernatural abilities, gradually transforms and grows in an alternate world, ultimately reaching the pinnacle of their experience.