umi_no_searchlight_(vocaloid)
English: Sea Searchlight
A Vocaloid song by 子牛 (COWshi) featuring Hatsune Miku.
This song was included in the official Yuki Miku (2022) album Chaotic Oceans; the PV features her in a bikini outfit and was illustrated by sake-meron.
Official art: post #5504248