Reincarnated as the third son of the Duke - Chapter 7 - 0 The Power of Authority

The protagonist transmigrates into a novel and gains a system where they grow stronger by simply writing in a diary.July 7th, sunny: “The boss’s outfit is hideous again. Wouldn’t it be better to wear something cooler?”July 7th, evening: “I’m about to have my engagement called off. So excited! How should I act?”July 7th, evening: “Lin Qingyue, the female lead, is probably going to drown her sorrows in alcohol.”The protagonist thought it would be easy—just jot down daily musings, record life’s events, and earn rewards. All while playing the part of a villainous, bootlicking second-generation rich kid, moving along with the original plot.But unexpectedly, the female leads gain access to copies of the diary entries.One by one, they stop following the script, and the plot spirals completely out of control.July 10th: “The female boss is an idiot—no one would want her.”Soon after, the protagonist gets punished at work, all because they entered the office with their left foot first.

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

In Dracoria, a world dominated by dragons, eighteen year old Zephyr Valorian is dismissed as the lowest of the low with his F-rank status. On his eighteenth birthday, Zephyr's life takes a dramatic turn as he awakens to an SSS-rank dragon taming ability, a power believed to be lost to legend.This revelation is accompanied by the discovery of a mystical pink orb, from which hatches Emberlyn, a rare spectral dragon with immense untapped potential. As they grow together, Zephyr and Emberlyn draw the gaze of both allies and enemies within the magical community.Thrust into the intricate politics of the Tamer's Council and a challenging academy, Zephyr unravels secrets of his lineage that tie his family to the very origins of dragon taming. Facing threats and political intrigue, he learns to master his formidable powers.SSS-Rank Dragon Tamer: Unleashed is a captivating tale of a young man's rise from obscurity, fraught with danger, betrayal, and the forging of unbreakable bonds that will determine the fate of their world.

On a normal boring day, a message appears, inviting him to a Tutorial.