Top Assassin Retires and Becomes a Farmer After Time Traveling to the Past - Chapter 17: To Me and to You.

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.

Thirty years ago,A meteor fell, revealing God's ruins!A God stepped out from it and started to feed on humans.From that day forth, humanity became the prey of the God,All except for me!Because I feed on God.

This is a rigorous multiverse cultivation novel!Watch the protagonist, Zhong Shenxiu, as he wanders through various realms, pursues longevity, explodes the system, and becomes the master of the multiverse.Here, there are modern martial arts, classical cultivation, jianghu of Cthulhu, horror worlds, steam punk…Infinite worlds, infinite possibilities, all in the 'Lord Shenxiu'!

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates