Magician of the Olecta Desert

After dying due to excessive masturbation, our hero finds himself reincarnated into another world by a being that calls itself "Fap God".
As payment for the reincarnation, Fap God orders our hero to conduct an investigation as to why people in the desert kingdom suddenly stopped masturbating.
With the power of Fap God, he takes the role of "Investigator" in the prison...

The protagonist and his childhood friend, Nanami Mitsuki, get caught in a storm during their trip and are stranded on a deserted island.
As they live with the goal of simply surviving, their sexual urges gradually build up…
To relieve those urges… they start helping each other masturbate!?
Will they be able to build a boat and escape the island without being consumed by their desires…!?

It’s a “Deserted Island Survival ‘Harem’ SLG” featuring an ordinary male office worker who ends up stranded on an uninhabited island together with three women from the same company.
In the midst of beautiful nature, search for food, gather driftwood, craft tools, and survive by cooperating with the heroines.
The island’s liberating atmosphere and the ever-present fear of death gradually drive their sanity to the brink. Once the women’s sexual urges are ignited, their desires grow uncontrollably and are directed toward the island’s only man.
There are no laws or prying eyes to suppress lust on a deserted island.
You play as the protagonist, Takumi Shimamori, and as the norms of civilized society crumble, build your very own harem.