Guild Mage: Apprentice - 19. Wings at Dusk

As the number one pill alchemist of the immortal world, Mu Chen had always believed that it was because he had single-mindedly focused on concocting pills that led to him to neglect disciplining his disciple. Which in turn, caused his disciple to be led astray by the seduction of devil cultivation, leading to the three realms to fall to disaster. After his rebirth, Mu Chen resolved to properly teach his disciple, give him the very best resources, earnestly love him, carry him close to his heart, teach him by way of example, and didn’t let him grow corrupt.

Sure enough, his disciple became more and more “intimate”. Every day his disciple even crawled into his bed, rubbing against his chest and clinging to his thigh. It was just that his expression isn’t exactly quite right……

- 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.

Two years after the breakup, he developed misogyny. Being too close to a woman would make him nauseous and vomit.Mo Chen: Why are there ugly women everywhere?The Brothers: ???Qiao Ruoxin suddenly returned, begging for reconciliation and affection.Mo Chen: You say breakup and we break up, you say reconcile and we reconcile? Who do you think you are!She kissed him forcefully, and Mo Chen instantly became tame, like a docile beast.The Brothers: ??? What happened to your misogyny? And what's with that look of enjoyment?Mo Chen: Get out! You're getting a free show and still have so much to say!Qiao Ruoxin: Brothers, help me pursue Mo Chen. After I succeed, each of you gets a billion, and he's paying.The Brothers: ??? You two really are a pair of extraordinary heroes!Mo Chen: You guys created a group chat behind my back?People hurriedly left the group chat......“Little Ghost, Brother is quite easy to coax, just be patient.”A beautiful and badass sweetheart X an abnormally paranoid and irritable CEO

The figure of the Armada seems to be still riding the wind and waves in the Atlantic Ocean, and the gold of South America still seems to flow in continuously. As Alfonso from the Bourbon family returns to the Royal Palace of Madrid where he was born, the story begins here…

- Description from novelbuddy