(子作り妊活部！) is an adult light novel series written by Sen Harama and published by France Shoin Inc.. The franchise expanded into an original video animation (OVA) adaptation produced across two distinct episodes from November 2023 to February 2025. The title translates conceptually to "Child-Making & Fertility Activity Club," setting the stage for a classic adult "gyaru" harem fantasy. Core Premise and Setting

Government-mandated romance or breeding protocols are a staple framework within the adult anime genre, used to bypass traditional dating phases and dive straight into the comedic and erotic elements of the premise.

The series relies heavily on the "gyaru" (Japanese fashion subculture) archetype contrasted with a plain protagonist, creating an intense dynamic of subverted expectations.

Together, Kozukuri Ninkatsu Bu- frames a deliberate organizational approach to small-scale, people-centered production: an organized, community-oriented unit focused on resilient livelihoods through diversified, locally rooted production.

In Japan, the concept of "Kozukuri Ninkatsu Bu-" has gained attention in recent years. This term roughly translates to "child-making matchmaking department" or "procreation brokerage." While the idea may seem unconventional to some, it's essential to understand the context and cultural background behind it.

Unsurprisingly, a series built on such an outrageous premise generated considerable discussion, often tinged with disbelief and humor. Early reactions were dominated by a single, incredulous question: "Why the fuck does a school have an impregnation club?" . The concept is so far outside the norm that it becomes a central point of intrigue for viewers.

Kozukuri Ninkatsu Bu represents a fascinating and innovative approach to relationships and marriage in Japan. By prioritizing community, mutual support, and intentional relationship-building, Kozukuri Ninkatsu Bu groups offer a promising solution to the challenges of modern relationships.

The main protagonist is , a self-proclaimed otaku who has never had a girlfriend and is frequently dismissed by his peers. Despite his low social standing, Sou harbors a sincere dream of finding a partner and starting a family. After passing a strict selection process, he is admitted into the club only to discover that the female students who requested him as their partner are the top "gyarus" (fashion-forward, trendy subculture girls) in his class. Key Characters

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By the mid-16th century, Japan was exhausted. Continuous civil wars had decimated the agricultural class. A samurai’s strength was no longer measured solely by the sharpness of his katana but by the koku (rice yield) of his domain. Without kozukuri , there was no rice. Without rice, there were no armies.