sukumizu

Etymology
From, from 🇨🇬 and 🇨🇬.

Noun

 * 1) A type of swimwear in Japan, mass-produced for the schools.
 * 2) * 2005-09-26, "Dan" , "Re: Petopeto-san 12", rec.arts.anime.misc, 
 * Also why is the opening sponsor ad pic is Kuguru floating in the pool in sukumizu which wasn't in that episode or even the series at all?