Back to the Apocalypse - Chapter 100

She comes from the top of Zhongshan Mountain, she is covered with frost and snow, she is unparalleled in beauty, but she has no talent for “love”, and she likes nothing more than a cup of tea in her life, watching the excitement.

It is said that she was young and ill-fated, with a weird personality, but in fact, she can also be obedient and docile, with a smile like a flower.

It is said that she has a mean tongue, arrogant and rude, but in fact, she can also smile sweetly and be gentle and amiable.

but–

She… is… is… no, happy, willing!

Until that day, she met a boy.

Half of the city is full of wind and moon and half of the city is snow. All the scenery in her life are brilliant because of him.

…

- Description from novelbuddy

Gu Mingxi and Pang Qian were next-door neighbors, classmates, and deskmates. From year-to-year, even when the class seating was rearranged, they would still be deskmates. They grew up together like a pair of brother and sisters despite having different parents; if it was someone else, then their parents would probably have already arranged their wedding. However, Gu Mingxi was different.

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.