After Lane is murdered by his adopted brother and girlfriend, he reincarnates as a rat with a system that rewards emotional points. Evolving from a Base Rat to a Void Beast, he pranks four campus beauties, battles wildcats and exterminators, rescues his parents, and unleashes atomic breath as a Void Beast to destroy a Giant Wyrm and complete his revenge.
Episode 1 - Reborn as Rat, Vows to Stop Betrayers
Betrayed by Lane and Leon who aim to seize his family's corporation, the protagonist is reborn as a rat in the girls' showers. He overhears their plan to let sewer rats devour him and take all his assets, vowing to stop them—only to be spotted as a rat, facing instant peril!
Episode 2 - Reborn Rat: System On, Cat Close Call
Reborn as a rat, the host activates a system that lets him earn Emotion Points by triggering creatures' emotions to evolve from Mana Rat to the formidable Void Beast. He gains his first point by angering a wildcat, narrowly escapes death, and vows revenge on Leon and Jody.
Episode 3 - Reborn Rat Scares Nana, Earns Points to Evolve
Reborn as a rat, the protagonist encounters campus queen Nana, heiress of Shen Corp, in the restroom. Scaring her earns 120 emotion points, revealing girls are prime targets for farming points. It then evolves into a Mana Rat, unlocks the Cloaking skill, and warns ladies to fear it.
Episode 4 - Reborn Rat: Powers & Target Sienna
Reborn as a rat, the protagonist gains cloaking, boosted strength and speed, and aims to collect 2000 Emotion Points by targeting campus queen Sienna. Catch Nana's hilarious denial of rat fear, and the startling moment a rat appears in Sienna's room!
Episode 5 - Rat Outsmarts Girls, Gains Points to Evolve
A group of girls frantically chase a seemingly intelligent rat, dead-set on killing it. Unbeknownst to them, the rat is harvesting their panic and joy as emotion points. When it gathers enough points, it starts glowing, leaving the girls stunned and bewildered.
Episode 6 - Rat Sparks Dorm Chaos & Gains Points
Reborn as a rat, the protagonist stirs panic in the girls' dorm, earning emotion points from Sienna for its upcoming evolution. Leon clashes with peers mocking his adopted status, while the dorm residents team up to catch the seemingly intelligent rat, unfolding hilarious chaotic scenes.
Episode 7 - Sienna Offers Date for Rat Capture
After Sienna posts about a rat in her dorm, classmates joke that the rat’s eyes resemble Lane’s and express disdain for him. Sienna then shocks everyone by offering a date with herself as a reward for catching the rat, sparking a chaotic rush among guys eager to win her favor.
Episode 8 - Genius Rat's Campus Scheme Unfolds
Reborn as a rat, the protagonist notices campus queen Sienna has countless admirers and sees this as a perfect chance to gain Emotion Points. Realizing humans view him as just an ordinary rat, he vows to show his genius, sparking a funny little commotion when someone spots him on a classmate's shoulder.
Episode 9 - Diamond-marked rat evades hunters, begs system to evolve
Reborn as a diamond-marked rat, the protagonist gains emotion points from boys while being hunted by campus students. Sienna insists on catching this specific rat, even claiming all rats deserve death. Fearing being torn apart, the rat urgently begs its system to trigger evolution right away.
Episode 10 - Reborn Rat Gains Skill, Plans to Warn Parents
Reborn as a rat, the protagonist acquires the mighty Iron Fangs skill allowing him to bite through anything. He feasts on tasty snacks, then resolves to warn his parents of threats from snakes Leon and Jody. Meanwhile, foes Sienna and companions think he's fled, clueless of his plans.
Episode 11 - Clever Rat Torments Campus Humans
This awakened rat steals snacks, uses a computer, and outsmarts campus folks with its agility. It taunts them by looking back while escaping, making Sienna furious enough for it to gain emotion points. Later, Leon returns home, and his family asks about his missing brother, adding a suspenseful touch.
Episode 12 - Lane's Body Vanishes; Rat Transformation Suspected
Larry confronts Leon over his missing son Lane, who’s skipped two days of class. Leon acts nonchalant to Larry, but secretly panics with his accomplice—they find Lane’s body has vanished, sparking the eerie suspicion that Lane might have turned into a rat.
Episode 13 - Sly Rat: Chaos & Emotion Points
Lane gets instructions to deliver an item, but a rat scurries off. Chloe vents the rat keeps targeting her because she threatened to kick it, and Jody’s dorm is wrecked as the clever rodent outwits glue and mouse traps. When the rat returns, it stirs up strong emotions from Chloe and Jody, racking up over two thousand emotion points in this chaotic campus scene.
Episode 14 - Rat Meets Campus Cat Mimi—An Unexpected Greeting
After being threatened, the rat realizes it needs to gather emotion points quickly to boost its strength. Jody is furious that her designer clothes from Leon got dirty by the rat. The group summons campus cat Mimi, a skilled rat catcher, to eliminate it, but the rat greets Mimi as an old friend, sparking a shocking twist.
Episode 15 - Rat Chases Cat, Evolves to Martial Arts Rat
In this episode, campus-famous mouser Mimi surprisingly fears a mouse and gets chased, leaving onlookers shocked. The mouse gains emotion points, evolves into a Martial Arts Rat with the skill Flash Step, setting the stage for more thrilling showdowns.
Episode 16 - Rat Gains Emotion Points & Rides a Cat
In this episode, the protagonist reborn as a rat earns emotion points by ruining girls' cherished items like Nana's limited-edition shoes and Sienna's lipstick. Even more startling, it climbs onto a cat's back, leaving everyone stunned and questioning if they're dreaming, delivering absurdly hilarious moments.
Episode 17 - Secret Password Grab & Vengeful Threats
The episode opens with chaos as a bleeding person is rushed to the infirmary. Then, someone celebrates finally obtaining a long-awaited password. A child uses their mom’s account to reassure worried parents, while secretly vowing to send them to hell to reunite with a vanished family member.
Episode 18 - Leon's Secret & Dorm's Monster Rat
Leon sneers at his parents, revealing his secret that Jody has been his all along. Meanwhile, dorm students beg Ms. Shirley for a room change, complaining about an uncatchable 'monster rat' that even beat up campus cats. Shirley doubts their story until she sees the huge rat, surprising everyone by calling it a gentle, intelligent fancy rat.
Episode 19 - Rat Spooks Shirley, Makes Her Switch Dorms
Shirley brushes off warnings about a fancy rat, claiming it's gentle—until she's spooked into moving dorms, letting the rat earn emotion points. She and her friend think the rat can't track them to their 8th-floor new room, unaware it understands human speech.
Episode 20 - Chloe's Secret & Lane's Scheme
Reborn as a rat named Lane, he evolves to gain enhanced stats and skills, needing 100,000 Emotion Points for his next upgrade. Catching student Chloe acting sneaky late at night, he uncovers her wild secret and decides to scare her at the peak moment to earn massive Emotion Points.
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