MTL - Manga Guidebook - Chapter 88 in short supply

The world is separated into three realms: Aegaryn, Terranis, and Abyssion.Terranis and Abyssion realms have been in disharmony as the Demon King of Abyssion aims to overthrow all the other realms. In the tackling of this and to help the humans of Terranis defend themselves from the demons,A street orphan becomes a sacrifice in a summoning ritual for an S-rank beast. But he is given a golden opportunity of a lifetime as he is transmigrated into a hyena. Guided by a mysterious system that helps him unlock his boundless potential, he evolves with each rank upgrade, a feat no one of his kind has ever known. His journey is one of transformation, both in form and spirit. Each evolution brings new powers and challenges as he is summoned into deadly wars, cruel betrayals, and battles that threaten the very balance of the realms.Along his journey, he meets a summoner whose kindness and ideals are a stark contrast to all the summoners that he had met previously. Unlike the others, she treated him differently. Gave him a name. Through her, he begins to question his path, torn between his primal instincts and the flickering remnants of his humanity.But as the Demon God stirs in the shadows, threatening to collapse the realms into chaos, he must rise to face his ultimate destiny. To protect those who matter, to shatter the chains of servitude, and to ascend to the pinnacle of power—Ash must embrace his boundless evolution and become a force unlike any the realms have ever seen.

Masterpieces such as 'The Divine Comedy', 'The Theory of Evolution', 'Encyclopaedia Britannica', 'The Theory of Relativity'...Born in the history of human civilization, possess mysterious and magical powers in another world!Original sin, biological evolution, mastery of all arts...By reading the secret tomes, one can gain a variety of powers!The only trouble for the people of the other world is that they find it difficult to understand the texts from Earth.At this time, there comes a librarian from Earth...

The World God of Terra was devoured by the Outer God, and eldritch creatures enslaved all of humanity. Humanity was reduced to mere livestock, wearing collars with their names and barcodes, labeling them as the property of the Outer God.However, hope wasn’t entirely lost. The World Will of Terra blessed some chosen humans who rose up against the lackeys of the Outer God.Female humans became magical girls, while the males could summon mecha armors and become mecha drivers.Unfortunately, despite being a transmigrator, Linsley Sinclair hadn’t obtained a special ability or blessing from the World Will.As Linsley wallowed in depression, thinking about how messed up the world was, he was snapped back to reality by a sound.-Ding![The God Simulator has been integrated into your soul!]-Ding![It has been detected that the host’s soul has been marked by the Outer God.]-Ding![The system has successfully eradicated the Outer God’s slave mark without alerting the Outer God.]-Ding![It has been detected that the host’s mind has been polluted by the Outer God’s insanity.]-Ding![The host’s mind has been purified and the host is now immune to the Outer God’s mental pollution.][The God Simulator was created by the Will of the Infinite Realities to save this multiverse from the Outer Gods’ corruption.][The main feature of the God Simulator is to create a simulated body and let it transmigrate into another world. The simulated body will enter the simulation, creating an alternate timeline influenced by the host’s actions.][The God Simulator’s goal is for the host to become a god in every simulated world. The host must complete the normal simulation and become a god before entering the full-dive simulation.][If the host dies in the normal simulation, it won’t cause true death since it’s only a simulated body. However, if the host dies during a full-dive simulation, it results in true death.]With the God Simulator, Linsley entered the simulation. In his journey to save the world and become a god, he met beautiful goddesses.However…“You’re telling me that those beautiful goddesses in the simulation are all real?”“And now, they are coming to get me? Fuck!”

As a man who had lived for 20 something years and had always considered himself as a straight man, he woke up one day and found himself possessed by a stupid and cute system. Moreover, it was a gong-shou cultivating system?! Let’s see how a shou with raised hackles evolves into a (pseudo)queen shou, incidentally with a story of a hidden loyal dog gong.

- Description from Novelupdates