日向ひなた水みず

noun

water warmed in the sun

Refers to water that has been left in sunlight and become lukewarm, often with a slightly negative nuance of being stale or unpleasantly tepid.

• 夏なつの日向ひなた水みずはぬるくて、あまりおいしくない。

  Water left in the summer sun is lukewarm and not very tasty.