My Sister the Heroine, and I the Villainess - Intermission, Chapter 0.2

Born naturally defective but possessed by the spirit of a divine dragon. Inheriting the divine dragon’s will and power, growing scales and magical claws, imperial waters containing the breath of the dragon, travelling through clouds and summoning rain, an invincible physical body. In this world and era, countless men dream of slaying dragons. Li Mu Yang has always lived a hard life.

Growing up with eccentric materialist parents who left him in the care of his grandfather for a job overseas, Zhang Heng had learned to adapt and be unfettered by the oddities and challenges in life. But he would soon learn the baffling truth about the world he thought he knew when one day at midnight time froze and he found himself in a world so quiet and still it was deafening. That night, he discovered that he had 24 hours more than everybody else and thus, marked the beginning of his adventures. The mysteries surrounding his newfound ability only deepened when a strange old man claimed to have given Zhang Heng that ‘gift of time’ and recruited the young man to participate in a cryptic ‘life-changing’ game on his behalf. Little did Zhang Heng know that accepting those terms meant embroiling himself in many versions of reality and exposing himself to the hidden secrets of the world—a decision he could never undo.

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 female Alpha, Jin Zhexi, was accidentally involved in the vortex of time and space during a mysterious mission, and traveled to the 21st century. Because of her agility and gender advantages, she became the most neglected and excluded by chance, with a cold and indifferent personality—— -Miss Three of the Su Group, Su Mochen’s personal bodyguard…
It’s unbelievable that she, an Alpha who can be considered super A in the post-civilized world, can only be coaxed patiently in front of the cold-tempered third lady…
If we had to talk about where she could overwhelm Miss San, it was probably only on the bed? Ignore the episode where you get kicked out of bed for doing too hard…
This is a story of a bodyguard helping an unappreciated illegitimate daughter to counterattack and become a big boss, with full aura and reaching the pinnacle of life…

Heart-warming loyal dog Gong VS reserved and cold and proud shou: slowly tear off her abstinence mask! Capture her body and mind!

Content tags: childbirth fantasy space karmic encounter supernatural power
Search keywords: Protagonist: Jin Zhexi, Su Mochen ┃ Supporting roles: Boys, the pre-received articles are also very good ┃ Others: pre-received articles “Lure her into her arms” “I am her medicine”
One-sentence introduction: Across time and space, I want to fall in love with you.
Conception: Because of you, the world is worthwhile.

- Description from novelbuddy