Lilian Moon faces humiliation when her summoning fails, producing only a weak Lower F-Rank Greywolf Spider, unlike others who summon powerful beasts. She tries to dissolve the bond, risking her own life since humans without beasts cannot survive, but her adviser warns of the grave consequences. Forced to stay bonded with the weak spider, Lilian suffers pain and confusion as she suddenly awakens inside the spider's body. Then, a mysterious System activates, granting her powers to evolve. Determined, Lilian vows to overcome her setback and prove herself despite the harsh judgment she endures.
Thrown into a dump and starving, a young girl’s spider companion fights for survival by evolving a venom attack to defeat a predator. However, the system warns the spider it can’t level up without a summoner bond, leaving it powerless and abandoned. Meanwhile, others ridicule the girl for not being able to summon even a low-rank beast. Suddenly, the spider detects a near-perfect soul match with the girl, and they bond despite past abandonment. Now partnered, the spider quickly levels up by devouring a mutant lizard, gaining new abilities, but conflict with others and doubts about their worth remain unresolved.
Little Spider is confronted by Lilian, who harshly insults her and claims ownership of discarded items Little Spider values. An intense verbal clash escalates when Lilian physically attacks Little Spider, calling her trash and threatening to send her away. Despite Little Spider's resistance and a demand to release her, Lilian pins her down, revealing a cruel and merciless intent. Another person at the scene protests but is overpowered. Lilian declares that trash like Little Spider is fodder for monsters, leaving the situation dangerously unresolved as Lilian vows revenge.
After a near-fatal encounter, a man wakes up disoriented in darkness and immediately fights a venomous snake to recover lost Evolution Points. He successfully devours the snake, gaining 500 points—much more than before—and now has over 1000 Evolution Points. Realizing the area is rich with prey, he plans to hunt three more Bluesilver Snakes to gather enough points to evolve. Fueled by his earlier close call and blaming Lilian for his peril, he vows revenge, setting up his next move in this dangerous environment.
Facing a massive swarm of venomous snakes, the protagonist declares their determination to survive and become the spider king. To counter the overwhelming threat, they activate a system command to strengthen their venom, spending 1000 Evolution Points to upgrade their venom to an advanced level and unlock a new attack called Spray Barrage. Despite the cost, the new ability arrives just in time, allowing them to launch a powerful venom assault against the approaching snakes. As they fight back fiercely, the hunt for more Evolution Points to maintain their strength becomes crucial, leaving the outcome uncertain.
After defeating a powerful enemy, the protagonist collects Evolution Points and valuable gear, enabling a significant evolution and upgrade of their armor and skills. Confident that this transformation will impress a girl named Lilian, the protagonist boasts about their newfound strength. However, the episode takes a turn when they accidentally enter a dangerous lair and provoke a massive snake, the lair's big boss. The episode ends with the protagonist facing this unexpected threat, setting up a tense confrontation with the formidable creature.
In this episode, a man faces off against a formidable King Bluesilver Snake whose defenses nullify his poison, putting him in grave danger. As he struggles with pain and immobilization, he spots a blinking red dot revealing the snake's weakness. Using his system's ability, he devours the leader monster, earning significant evolution points and leveling up to level 9. His armor quality improves dramatically, granting him stronger defense. The episode closes with him energized but clearly aware that conquering leader monsters demands even greater strength and strategy ahead.
The protagonist discovers and absorbs a powerful Demonic Star Core, instantly gaining 100,000 Evolution Points and unlocking a Rare Skill called Demonic Power. Testing this newfound strength, they grow significantly stronger and vow revenge against someone named Lilian. Afterward, they devour a leader monster, the King Bluesilver Snake, gaining additional points and evolving their armor into the formidable King Bluesilver Snake Armor. Though empowered, the loud battle attracts numerous monsters, forcing the protagonist to decide to retreat before facing overwhelming danger, leaving their next move uncertain.
The episode opens with a man encountering a strange, possibly poisonous fog and suddenly surrounded by dangerous beasts. He fights and defeats a group of Cursing Frogs, absorbing their Evolution Points to gain new skills. As he collects more points, including from the frogs he vanquishes, he upgrades his Enfeeblement skill from beginner to advanced. Confident in his progress, he aims to reach C-Rank by accumulating 300,000 Evolution Points. However, just as he advances, an unexpected threat or complication emerges, leaving the outcome uncertain.
The episode opens with the protagonist battling a powerful monster, using 'Demonic Power' to enhance his 'Enfeeblement' ability. After successfully poisoning and defeating the leader monster, the Cursing Frog Emperor, he gains 10,000 evolution points and levels up to Level 11, unlocking 'Infinite Enfeeble.' Discovering the area is a treasure vault, he thanks Lilian but jokingly warns her that he will extend his punishment from 10 to 20 days. As he prepares to use more creatures as evolution points to grow stronger, a sudden treasure appears, signaling a new challenge ahead.