The phrase refers to a specific adult-themed Japanese animation (often categorized as "hanime").
Primarily released as a manga or digital comic. There are also digital assets such as "LoRA" (Low-Rank Adaptation) models used in AI art generation that are trained specifically on the character designs from this series. English Localization ("ENG Work") shinseki no ko to o tomari da kara eng work
(to himself) ...Damn.