The story centers on , a young football prodigy living a solitary life after the passing of his parents. His only significant bond is with his older sister, Reiko, a chemical genius who moved to Tokyo for work, leaving him to navigate adolescence on his own.

Episode 01 aired on September 6, 2024, with subsequent episodes rolling out through February 2025.

The term "exclusive" in this context typically refers to specific distribution deals on adult streaming platforms or premium DVD releases that include high-definition (HD) versions and unedited footage. Groups like have handled DVD encodes, providing fans with versions that offer better video quality than initial web streams.

The animation is produced by Queen Bee and Blue Bread , studios known for high-quality adult anime.

The series is structured as a 4-episode OVA, with each episode running approximately 20 minutes.

Fans of the manga often recommend the anime for its faithful adaptation, though some note the manga's art remains superior in capturing the "general weirdness" and unique tone of Jairou's original work.

The keyword "nekopoishounengaotonaninattanatsu01 exclusive" refers to the highly anticipated first episode of the adult anime adaptation of the manga series (English title: The Summer a Boy Became a Man ).