https://palmeirastudios.itch.io/lost-lagoon/devlog/756171/-update-lost-lagoon-v02-
or
https://palmeirastudios.itch.io/lost-lagoon/purchase
and more options just in case:
https://lewdzone.com/game/lost-lagoon/
https://svscomics.com/download/642121/lost-lagoon-v0135-by-palmeirastudios
https://fap-nation.org/lost-lagoon-download/
the 3 news are for free.