Oh My God! Earthlings are Insane! - Chapter 1860 - Deep in the Ruins

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 fallen Sky Knight was the sky's tears,and with altitude still at hand, he wouldn't give up,Blood and Fire and Iron descended from the heavens,Behold, the heavens were crying!The roaring soul was rising through the sky!!!

The doomsday fell upon the earth when a dragon coffin sealed under a snow mountain for ages shifted, and the civilization of gods and devils began. The whole universe turned into a fantastic new world where everyone could rise to the top through cultivation. A lucky young boy seized the opportunity, and started his journey to be an overlord in cultivation.

- Description from Novelupdates

Gu Huai'an, a young scion of the No. 01 Courtyard Manor, had become the chief commander at Dragon Aviation Command Center at a very young age.He was known for his cold demeanor and seldom smiled or laughed.Not only did he come from a distinguished family, but he was also the unattainable gem of Beidu No. 01 Courtyard Mansion.Suddenly one day, he heard someone calling him “little brother.”When he followed the voice, a pretty girl with an indifferent face asked, “Excuse me, sir, do I know you?”Yet at the same time:【Wow, little brother is so handsome.】【There are mountains beyond mountains, buildings beyond buildings, but little brother is handsome and gentle.】【Little brother, hug!】Gu Huai'an: ……The little girl's mouth, deceptive as a ghost's.*********Song Yunuan transmigrated into a period novel and became a minor villainess who was soon eliminated – a role too small to be smaller.On her first day in the book, she stood in the Song family courtyard, trying hard to recall why the entire Song family would be wiped out in the story.In the end, she failed to notice the collective petrified expressions of the Song family members.Later…Her father became the richest man, her brother a top lawyer, her younger brother a scientist, her younger aunt a singer, and even her grandmother became a landlady.She herself turned into everyone's beloved darling.Song Yunuan: What happened to the hellish start I was promised?