Based on the keyword provided, this refers to the first episode of the anime adaptation of the visual novel (specifically the OVA titled Nekopara: Shita-neko ga Tonaninatta Natsu , or roughly "Nekopara: The Summer When the Kitten Became an Adult").
If you this string yourself, congrats — it’s a unique, memorable, search-resistant title. If you found it and want to know its origin, share the context (website, image, video link) and search again with the breakdown above. nekopoishounengaotonaninattanatsu01