Reincarnated As A Dog With System

Lein has to pay for his mother's medical treatment, but he was fired from his job for an unreasonable reason. At the same time, his girlfriend betrayed him by sleeping with a rich man. This made him lose his reason to live. However, when he fell into despair, thinking that the world hated him, the system suddenly appeared in his vision, giving him a chance. "I was given a chance to take revenge on those who once looked down on me?!" Follow Lein's journey to become an invincible man.

“Alessia, what’s happening here? Were you just making out with your boss?” He asked, his eyes widening in shock. “What does it looks like? Of course I was having a nice time with him. Compared to you, he’ll pay for my bills, the ones you were unable to meet up with.” She hissed. *** A young delivery agent who just lost his job, was on his way home. Though there was nothing to be glad about, he was ready to bless the heavens just for keeping Alessia; his one and only love by his side. It’s such a pity for him that he got brutalized and insulted by the same person he thought had his back. Disappointment was written all over his face as he stepped his foot out of that office. [Host Pharrell, this is the SIMPLING system, you have received ten thousand dollars, to be spent in the next two hours] Pharrell Crowley is ready to get to the top!

Devon Arias witnessed all of his family got brutally murdered in front of him. When he actually become a sacrifice for Demonic Summoning Ritual, Devon sabotaged the ceremony and made a pact with seven demons at once so he can exact his revenge to everyone who responsible for the death of his family. The pact is done and suddenly a bright transparent screen appeared in front of him. Devon got a system to utilize the power of 7 demons inside him. What will happen to Devon next? Will he be able to control the seven demons or will he be controlled by them? What about Devon's revenge, if the demons secretly have a secret plan to rule the world?

Caden Kelly was an ordinary university student struggling with debt, an exhausting part-time job, and a mundane life—until one fateful night when he received a mysterious System Activation. Suddenly, he could see stats, unlock abilities, and receive quests. But unlike conventional systems, his came with an unexpected perk: The Bonding System—a unique ability that allowed him to grow stronger through relationships with women. With this newfound power, Caden is thrust into a world of hidden sects, ancient legacies, and dark conspiracies. As he navigates his way through increasing power struggles, he begins to uncover a shocking truth: the system wasn't just a gift—it was a curse with a purpose.

SYSTEM: Attention on the past equals zero power. Attention on the future calculations levels up. Attention stat uncertain. [Quest: Clean this Mess. Reward: +1 Strength, 5 XP.] When he completes it, he feels a strong physical move of energy. ... Admitted to his dream university, Robert thought his biggest fight was for survival on campus even while people took him to be a random 'Ordinary Schoolboy.' He found himself in a strange world of the diggers and learnt that his most scorned skill, mathematics could be the only system that would save him and make him pay attention to the future. Finally, he needs the best attention stat.

Betrayed by his girlfriend and humiliated by a wealthy heir, Justin, who had come to the big city to study alone, experienced yet again the importance of money. Just as he reached the depths of despair, he heard... Super Rich System: "Master, please use money to beat her face swollen!" Super Rich System: "Master, your task is to spend ten million dollars within two hours!" ...

On his luckiest day, Oliver died feeling betrayed. The world on the day of death becomes a scary world. The zombies appear and carry out attacks on humans, Oliver dies by zombies with feelings filled with rage. When he opened his eyes again, Oliver knew he was alive before the attack began. Luckily, Oliver got an apocalypse survival system that could help him survive this apocalypse. Oliver gains strength and knowledge of what happened. He vowed that he would survive the unfolding apocalypse and only those he cared about would protect him.

Luck was never on Travis' side. He was bullied for being poor, fat and ugly. He also never felt the warmth of a harmonious family even though his parents were still complete. Being beaten and humiliated was his daily bread. He was also accustomed to getting a lot of bad luck. One day his bullies beat him up so badly that Travis almost lost his life. He thought, death is much better than living in misery. However, a system suddenly came to his help him.

His wife approached and married him because her family thought he was part of the city’s most famous and wealthy family but when his wife and her family found out that Andrew was a bastard child, they mocked and looked down on him. Due to him being poor, everything he knew and loved disappeared. Beaten to death, Andrew was left with no breath until he was struck by a mysterious force of lightning granting him a system. [Congratulations Andrew Raine. You have been selected as a host for the TRILLIONAIRE SYSTEM] A ding and a notification bar was all Andrew needed to change his life. With the force of the power granted by this system, He would trample on everyone who has ever mocked him, rising to the top with great speed.

Far away from Earth, a sovereign dies, risking his life to protect all of creation. On Earth, the heir of a very prominent family dies by the machinations of unknown enemies. Either due to coincidence or something supernatural, the Sovereign awakens in the body of the deceased heir. Stuck with the memories of his past life as well as the life of the new body's previous owner, this Sovereign vows to mete out punishment to those guilty. With the aid of his System granting him a variation of arsenals at his disposal, Sovereign Yen will climb to the top to reclaim his place at the top as well as find the source of his second chance, the one known as The Supreme One!