Manga World: Bringing Steam Technology to the World of Sanctuary - Chapter 27: Renovated room, Peke.

A Mysterious continent, with many powerful sect and countless strong one. Juvenile Zhou Heng with a mysterious black broken sword, from the original stone town out into this world of war. Ascended the throne of the world with only a sword in hand.

- Description from Novelupdates

In the spirit of no strategy, Luo Chenyu has been running around in various worlds, live broadcasts counterattacks and slaps his face, and he wants to take the system to the “peak of Tongsheng”.

But later…

The soft cute little milk dog opened her innocent and clear eyes and looked at her eagerly: Sister, I will be obedient~

The sensitive and suspicious prince put the sword against her neck: You can only compensate me for so many years of cruel torture!

The sickly and perverted demon king gently stroked her face: No matter if you go up to the sky, go down to the yellow spring, or live in the sky, you can only stay by my side.

The overbearing monarch put the phoenix seal on both hands: I am willing to risk the world and marry you! Would you like to share this great country with me?

Luo Chenyu: …

Climb all for Grandpa!

*

Someone was secretly jealous, and finally couldn’t help blocking her in the corner.

The face of the ruthless tyrant has a pair of cute furry ears.

“You touched my ear, but you have to be responsible for me…”

Luo Chenyu: Her boss is so cute, it’s terrible!

- Description from novelbuddy

After marriage, his little wife openly stared at other men at the ball!It seems that the family is not strict, directly take home a good education!

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.