水龍敬ランド Mizuryu_Kei_land
A popular doujin series by [[Mizuryu Kei]], which were later received hentai, live action, and visual novel adaptation.

The story is about a sexually-themed [[amusement park]] where people wearing [[exhibitionism|extremely revealing]] clothes and had [[sex]] with random strangers as much as they wished.
mizuryuland