Nekopoishounengaotonaninattanatsu01 -

The use of summer-specific sounds (cicadas, water) and visuals to ground the narrative in a specific cultural timeframe.

A possible reconstructed meaning: “Cat-like boy’s face became neighbor’s summer 01” — which is cryptic but plausible as an art project name, a song title, or an online username. nekopoishounengaotonaninattanatsu01