The Black Book: Seven Deadly Sins - Chapter 27: Gaze at Me, Ant

When Arran decides to become a mage, he quickly discovers that magic can be more dangerous than he had ever imagined. Soon, he finds himself hunted for powers he never knew he had.

As a Beta, Ning An’s goal in life was to work hard, make money and get rich. However, his own dear father changed his aspiration and made him become a military academy student. Initially, he wanted to spend his days lazing about. What? The first place in the year gets a generous scholarship? Then staying up to study and train my body is nothing at all! The first place scholarship is definitely mine!

The A in the opposite dorm: So you’re actually an O.

Ning An: Ah?

The A in the opposite dorm: I know. You’re risking it all to prove that an O is not inferior to an A.

Ning An: You know my ass. Laozi is a B.

The A in the opposite dorm: You need to correctly recognise your own gender ah.

Ning An: …. Teacher. Report. I’m afraid this person is stupid.

note: Pretending to be a B’ is 装B (Zhuang B). 装B also means to boast or show off

- 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.

After dedicating her life and curing the sick male protagonist, Jin Hua realized that she was living in a book, and she was the female cannon fodder who burned herself and illuminated others.

Since her death, the male protagonist finally learned to love himself and others, and then tearfully spoiled the female protagonist who was six or seven similar to her, becoming a model couple that everyone envied.

After the rebirth, Jin Hua didn’t want to sacrifice herself to pave the way for others, and took the initiative to hug the thigh of the villain Bamboo Horse, the man who forced herself to be the villain for her, and was finally made insane by the combination of the hero and heroine.

In this life, Jin Hua only wants to stay away from the plot line of the hero and heroine. The goal in life is to chase after Jian Huaiyu, love Jian Huaiyu, and love Jian Huaiyu.

Jian Huaiyu’s life creed is: love Jinhua, love Jinhua, or love Jinhua, love her to heaven.

[Sweet pet 1V1, full text is sweet]

- Description from novelbuddy