What you most likely think it does: a lonesome sperm cell swimming in the big blue sea. Unfortunately, we don't know much more about this landmass. Sperma Anda Termasuk Sehat atau Tidak? Coba Cek Ciri-cirinya

That's a land mass the size of Denmark (or 16,000km^2). And a LOT of money out of the Japanese economy. They really should resolve that.