: Comparison between broadcast/web versions and physical media (Blu-ray).

To give you a complete picture, this article will break down everything from the show's origins and official release details to a detailed look at Episode 1 and an explanation of what "web h patched" means.

Indicates the source material was captured directly from an official internet streaming platform or digital storefront rather than a physical media format like a DVD or Blu-ray disc.

Kenichi, a 48-year-old salaryman with a fading hairline and a permanent slouch, is the definition of "invisible." He spends his days auditing spreadsheets and his nights eating convenience store udon. However, Kenichi has a secret: he possesses a unique, supernatural "spatial density." In a world where mysterious, invisible "voids" (Anas) have begun appearing—causing buildings to collapse and people to vanish—Kenichi is the only person thick-skinned and "dense" enough to plug them.

The significance of the 2024 release date in the landscape of adult ONA (Original Net Animation).

First episode of an OVA (original video animation) series. Many hentai OVAs are released as 1–2 episodes.

Ojisan de Umeru Ana the Animation is an adult-oriented (hentai) anime series released in 2024. The title roughly translates to "A Hole to be Filled by a Middle-Aged Man." The Movie Database General Information

suggests that the version of the episode being referred to has been patched. In the context of video or anime releases, "patched" often means that any errors, glitches, or censorship have been addressed or fixed.

The series may delve into various themes, including but not limited to drama, comedy, and romance.