Fairy Tail: I Stole the Ryujin Jakka in My Sleepwalking - Chapter 260: FTRJ -

Anyone who could construct a stable Spell Model could become a Wizard — that was the Wizards’ ultimate secret! Having been given a new life as the son of an aristocrat and armed with a super quantum computer from his past life, Spell Models came as easily as breathing to Merlin. With this overwhelmingly huge advantage, would Merlin become the greatest Grand Wizard of all time?

- Description from Novelupdates

Once upon a time, there lived a person consumed by the desire for revenge.After finally achieving his goal of seeking revenge against all of his enemies, he was ultimately sentenced to death. Though he accepted his punishment, he suddenly found himself standing in an unfamiliar and surreal place, as if caught in a hallucination during his final moments. As his consciousness began to fade, a distinct voice accompanied him and whispered—”Welcome to Hell!”

Ye Kai was born with a weak body, spending his days with his mother and sister. on such a day he heard a ding voice and got Unlimited Item Shop System, where he can buy anything.The first thing Ye Kai buys from his Unlimited Item Shop System is Lust System, to make his fantasy true, where he is having sex with his mother and sisters.---The story is slow-paced so I will increase the pace from Dark Sky City Arc, so someone doesn't like slow paces then read it till the Dark Sky City ArcThird, if you think MC is beta then it's only in front of his mother, otherwise, he doesn't care about other people except for his family, and he is...pretty much ruthless towards the people.

【Pets】【Masters】【Summons】【Contracts】【Evolution】【Mutation】

This is a world of monsters. Demonic beasts, demons, angels, giants, elves, undead, fairies, witches, beastfolk, insectoids… countless races, endless divisions, infinite mysteries. Human masters can make contracts with familiars. Hence, taming, grooming, ascension, evolution, battles… is their daily life!

In the Great Qian Dynasty, a youth named the Bai Wushang unexpectedly became an autonomous awakener, and his life-bound pet was the… Moonrabbit?

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【Currently publicly known evolution forms】

■Mud Giant➼Sand Giant➼Stone Giant➼Black Iron Giant…

■Lesser Fire Sparrow➼Fire Sparrow➼Searing Godbird➼Inferno Bird…

■Quad-Winged Radiant Angel➼(Fallen Evolution)Six-Winged Dark Angel…

■Demon Ape➼Three-Eyed Demon Ape➼Dark-Golden Demon Ape➼……➼Eight-Armed Vile Dragon Demon Ape…

■Greater Ghost Fire➕Night Mare➼ (Fusion Evolution) Spectral Knight… ”