Welcome to Mizuryuland! (2014)

Blurb:
Welcome to Mizuryuland! In the future, a sex themed amusement park exists that caters to every desire anyone can think of. No limits are found in Mizuryuland where sexual freedom has a home.In need of being cheered up, Mai is brought to the park with her two friends and she soon discovers it is a place to her to unleash her naught side. Mother and daughter team, Yumika and Ako both enjoy sex and find themselves at home in the park. Both are determined to have as much sex as possible! Sakiko is a chronic cheater and she finds that there is no hope for her, so she takes her friend’s advice that even women need to let loose every once in a while. And poor Akihiko finally gets his self-esteem up when he enters the animal park where he is invited to play with another man’s wife. Anything and everything kinky is delivered at Mizuryuland.

Source: www.anisearch.com/manga/36230