I am the first leviathan eater of humanity again:Futa - Chapter 13: Meeting Selene and Beatrice p2

He kept her by his side, never letting go! “Please, can you let me go?” “Impossible,” he said, “unless you're no longer my only one.” After they fell in love, he declared possessively, “I want to keep you by my side, to make you belong only to me. You can only love me too, your mind, your world, must be filled with only me.” Yet his domineering love sent a chill through her.

This novel is about the young master of the Du clan, Du Shaofu, who was born with crippled veins and is unable to cultivate martial arts . After finding out about his situation from the clan while returning home he got hit by a lightning and a mysterious ‘first scripture’ appears and after studying for ten years he was able to mend his crippled veins together and starts his journey to glory.

- Description from Novelupdates

Ding—Congratulations on unlocking the hidden profession “Teacher”.Ding—Congratulations on acquiring three SSS talents:“Divine Library”: As a teacher, your being harbors a Divine Library, granting you the ability to see the unseen about individuals and objects alike, be it strengths or weaknesses. Furthermore, you have the capability to amend these shortcomings.“Get 1st student”: As a teacher, you're entitled to mentor x number of apprentices (x increases as you level up), establishing a bond that allows you to monitor their loyalty.“Pass on the Torch”: Your role as a teacher entails not only imparting knowledge but nurturing souls. Sharing skills or bestowing gifts upon your apprentices could lead to unexpected rewards, courtesy of a probabilistic system return....The world as we know it has been thrown into chaos, with the lines between game and reality blurring.Mankind has stepped into the age of career transformation.With monsters on the loose, the emergence of dungeons, hidden realms, and instances marks an era of both peril and potential.Survival dictates that humans embrace this new calling, striving for power and progression.Upon his arrival at the age of eighteen, Alex Watson is gifted with the extraordinary “Divine Library System”!Thus begins the meteoric rise of Alex Watson!He sets out to teach, to mentor, to elevate the elite, and to share his wisdom with the world.

“Ding! Found a key plot character: Izumi Sagiri, please be sure to seed this character within a month.”

“Ding! Detected a young female dragon Kangna of a powerful species, and asked the host to sow the species within one day!”

“Three years is the highest death penalty.” Ye Feng looked hesitant as he looked at the young girl dragon who flung himself into his arms and acted like a spoiled child.

ps: Comprehensive manga: 100,000 cold jokes → Mr. Erromanga → Gensokyo → Kobayashi’s Dragon Maid → Dark Bullet → Gensokyo, the world is to be determined → _ → (Feilu solemnly reminds: This story is purely It is fictitious, if there is any similarity, it is purely coincidental, please do not imitate it.)…

- Description from novelbuddy