Under the Oak Tree (Web Novel KR) - Chapter 179

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.

When he woke up, Xiao Junlin transmigrated into the novel he was reading, but he was not the protagonist, but the male partner’s father, who was still a licking dog.

“I have ruined your reputation for the first time. From today, my son will be relieved of all positions in the group.”

“Ding, the host cuts off the relationship with his son and gets a reward of twenty years younger.”

“Don’t call me uncle, the stinky girl only knows how to use my son. Starting today, you will be demoted and go downstairs to clean the toilet.”

“Ding, the host successfully suppressed the heroine, and obtained god-level investment skills and god-level fighting skills.” Killing the dog, suppressing the heroine, and winning the protagonist’s creation, Xiao Junlin found that he was gradually approaching the peak of his life. …

- Description from novelbuddy

My wife betrayed me, but little did she know that I awakened the Immortal Emperor's inheritance, and from then on, I embarked on an extraordinary life against the heavens, embracing a top-tier beauty in my arms...

The mountain village boy accidentally got the fairy gourd, and he rose step by step to cultivate immortality and longevity.

Ripe elixir, mortal flow.

- Description from novelbuddy