MTL - Beiyin Great Sage - Chapter 13 system?

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.

Always looked down upon by others, Ji Feng gains technology far more advanced than the present, as he discovers its abilities, he begins to walk a path far from ordinary. With X-ray vision allowing his to find jade stones in rocks. With this futuristic technology, Ji Feng accomplishes something no-one can compare to. This is the beginning of a legend.

- Description from Novelupdates

Died because of grief, reincarnated because of fate.

Cal found himself in a world where dream was now reality and life meant survival!

A world where cultivation existed and only the strong could survive!

Follow him as he breaks through the unthinkable and reaches the heavens with nothing more but a power that lets him cultivate through Artifacts!

All she was doing was playing QQ Farm, how did she end up waking up somewhere foreign?

A straw house in the country side? No food at home? Dad was severely injured? Mom was weak? A bunch of siblings?

Eh? QQ Farm transmigrated with her? She could farm? She could raise farm animals?

What? All the chicken, ducks, and rabbits she raised in the dimension are spiritual animals?

Not only could QQ dimension level up, it could also collect all vicious animals in the world and turn her into the strongest summoner!

Merchants pounding on their door? Gentlemen visiting? Special guests showing up? The appearing of mysterious sect? Her folks’ family arriving?

All the troubles brought about by the spiritual animals!

Well, cross that bridge when we come to it. Fake it till you make it. Let’s see how Cheng Xiao Xiao utilize the dimension and have her fun in the foreign land!

Match maker at the door? Get out, couldn’t you see I got farms to plow?

- Description from novelupdates