Hataraku Saibou

Red Blood Cell faces Pneumococcus invasion while White Blood Cell pursues the threat.

Inside the human body, Red Blood Cell is delivering oxygen and carbon dioxide during her routine when Pneumococcus Bacterium suddenly invades. She becomes the target of this new threat but is rescued by White Blood Cell (Neutrophil). He then chases Pneumococcus, driven by his duty to protect their world, which is the human body. However, the enemy manages to locate a hideout in an unexpected location, complicating the pursuit. This encounter highlights the constant danger within the body and the critical role of White Blood Cell in maintaining safety against invading pathogens.

White Blood Cell confronts Staphylococcus Aureus during a sudden scrape wound incident

Red Blood Cell is enjoying a peaceful moment when a scrape wound suddenly appears nearby. This injury allows bacteria and viruses to enter the body, prompting White Blood Cell to rush to the location to defend against the invasion. He faces significant challenges while battling various viruses, including Staphylococcus Aureus. The narrative focuses on whether the White Blood Cells, specifically Neutrophils, can successfully protect the body from these threats. The episode highlights the immediate danger posed by the wound and the intense struggle required to maintain the body's health against the invading pathogens.

Naive T Cell flees battle against influenza virus while fearing his own incompetence.

A Naive T Cell patrols the body to stop influenza virus proliferation but remains terrified due to his lack of combat experience. He finds himself completely useless in the face of the enemy and ultimately flees the battlefield where White Blood Cell (Neutrophil) and veteran Killer T Cells are engaged in battle. Overcome with self-loathing after abandoning his post, the Naive T Cell is approached by Dendritic Cell, who offers him kindness and words of encouragement to help him cope with his fear and perceived failure.

White Blood Cell arrives to find Eosinophil struggling against bacteria near the stomach

Bacteria are detected near the stomach, prompting White Blood Cell (Neutrophil) to arrive immediately. He discovers Eosinophil, another White Blood Cell type, already engaged in combat but struggling significantly against the threat. Observing her apparent weakness, other cells begin to mock and mistreat Eosinophil behind her back. Despite this hostility, White Blood Cell (Neutrophil) intervenes to defend her, emphasizing that there is a specific task requiring her unique abilities. He asserts that only Eosinophil can perform this particular job, highlighting her essential role in the immune response despite the current difficulties she faces against the bacterial invasion.

White Blood Cell Encounters Memory Cell Amidst Cedar Pollen Invasion

A massive invasion of cedar pollen threatens the body, prompting White Blood Cell to rush to the scene for elimination. During this mission, White Blood Cell crosses paths with Memory Cell, a Lymphocyte responsible for retaining the immune system's historical data. Upon observing the actual situation, Memory Cell becomes unexpectedly flustered and remarks that the event resembles a specific legend. The narrative focuses on the interaction between these two cells and raises the question of what particular legend Memory Cell is referencing in response to the pollen outbreak.

Young Erythroblast trains under Macrophage but gets lost while practicing bacterial evacuation drills.

This narrative follows the early life of Red Blood Cell before her full maturation, focusing on her time as a young Erythroblast. Under the strict supervision of their instructor, Macrophage, a group of Erythroblasts undergo rigorous training to become fully functional Red Blood Cells. However, the protagonist struggles with severe directional challenges, frequently losing her way during practice sessions. During one specific drill designed to simulate evacuation from bacterial threats, she becomes separated from the group once again. The story highlights her determination to improve despite these persistent navigational difficulties as she strives to achieve her goal of becoming a great red blood cell.

White Blood Cell and allies confront the revealed identity of Cancer Cell

An adversary disguised as a standard cell has exposed its true nature as Cancer Cell. In response, White Blood Cell (Neutrophil), Killer T Cell, and NK Cell prepare to defend their world, which is the human body. These immune system members must now directly engage the incoming threat posed by Cancer Cell to protect the organism from invasion.

A Directionally Challenged Red Blood Cell Attempts an Independent Circulatory Journey

Red Blood Cell, tasked with transporting carbon dioxide to the lungs and delivering oxygen to body cells, struggles with a complete lack of direction and frequently gets lost. Determined to stop being a novice, she resolves to complete the entire circulatory cycle alone without relying on others for assistance. Unbeknownst to her, White Blood Cell (Neutrophil) watches over her from a distance with anxiety, ensuring her safety as she embarks on this solitary mission to prove her independence within the body's complex transport system.

Killer T Cell disrupts Helper T Cell during a drill, revealing their shared past at Thymus School.

During a training exercise, Killer T Cell accidentally throws a trainee into Helper T Cell’s office, striking the commander. This incident sparks an argument between the two characters, who are described as polar opposites. Dendritic Cell explains that despite their current differing roles, they were once classmates at Thymus School. She further discloses how distinct their personalities were during their youth. The narrative highlights the intense and selective nature of their shared history, noting that only two to three percent of the class successfully graduates from the rigorous and hellish training days at the school.

Red Blood Cell encounters a masked monocyte while fleeing from Staphylococcus Aureus bacteria.

Red Blood Cell is pursued by a germ and rescued by a masked monocyte, who is identified as a White Blood Cell. Despite the improbability of a second bacterial attack in one day, she meets another germ while traveling to the nasal cavity. This germ is revealed to be Staphylococcus Aureus, which typically resides on skin and pores. The bacteria claim to have used a secret plan to remain invisible. The episode explores the nature of this encounter and the hidden intentions of the invading microbe.

The body suffers from heatstroke as internal temperatures rise dangerously high.

Internal conditions become hot and muggy, preventing sweat from cooling the body surface. Circulation increases abnormally while body temperature continues to rise, resulting in heatstroke. Bacillus cereus exploits this vulnerable state. Even the dependable White Blood Cell, a Neutrophil, becomes groggy due to the intense heat and cannot fight the germ with full strength. The narrative questions how the body will manage this situation, drawing a parallel to global warming. The immune system struggles to maintain order as the internal environment deteriorates under extreme thermal stress.

Red Blood Cell Takes on New Training Duties Amidst Body Changes

Red Blood Cell receives a new assignment to train a rookie Red Blood Cell, requiring her to act as a dependable senpai. However, her guidance leads to mistakes, conflicts with other cells, and outcomes that differ from her expectations. While she struggles with these responsibilities, a significant event occurs within the body that has the potential to alter their entire world. This narrative explores the challenges of mentorship and the uncertainty brought by external physiological changes affecting the cellular environment.

White Blood Cell investigates the missing blood cells while Red Blood Cell persists with oxygen delivery.

White Blood Cell (Neutrophil) arrives at the emergency site to assess life-threatening injuries but finds the blood cells he protects are absent. Massive blood loss has expelled many cells through an open wound, causing the situation to become increasingly critical. Despite the severe hemorrhage, Red Blood Cell and her new trainee remain determined to continue transporting oxygen. Their goal is to save their world and their colleagues even as the end approaches. The narrative questions what destiny awaits these cells as their environment deteriorates rapidly due to the ongoing blood loss and the disappearance of their comrades.

Catching the Common Cold