My Life Working on Mushroom Island - The Room's Secret

Takumi is your classic NEET - graduated yet unemployed, spending his days lazing around. One day, a friend gets him a job on a tiny island, and the pay is suspiciously good...
And thus, our hero's life as a working man began.

Akitoshi decided to take a vacation on Earth to rest and recover from the drudge of office life. Everything was perfect... Until a sudden storm sank the ship he was on! Now he's been washed ashore on a random island in the middle of who knows where, attacked by a wild animal, and saved by a mysterious woman. What will happen to him now?
 
Get to know your savior, investigate the island... Do whatever you have to in order to survive and escape this tropical nightmare in this island exploration adventure RPG!

The story begins when a man dies after being run over while saving a dog and is reincarnated in another world. Unlike his previous life, he must work in a village inhabited by semi-human girls. His efforts will not go unrewarded: as he helps them with various tasks, he gradually earns their trust and affection, leading to intimate relationships. Hentai visual novel in which sexual content is unlocked by completing minigames and asking the girls how many times you have won each one. The main gameplay mechanic consists of clearing the minigames and reaching a specific number of victories to unlock two possible endings for each girl. In total, the game features 4 different girls and 4 distinct minigames: apple catching, fast clicking, ping-pong, and a memory game.

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…!?

This is a simulation game.
In a desire-filled private room, spend as much time as you want with your senpai—
a moment of forbidden pleasure, shared in secret behind her boyfriend’s back.
Forgetting time and morality, the two of you seek only each other.