Studio Neko Kick - Remote Island Survival of 1 Schoolgirl and 3 Lusty Schoolguys Final (jap) - Adult Sex Game

A schoolgirl washes up on a remote island along with 3 schoolguys with raging hormones hungry for her pert flesh.
Can she escape the island, and return home to Japan safely? A survival RPG!

Serina
The lone girl who washed up on the remote island.
As both of her parents work, she has had to prioritize taking care of her siblings instead of making friends at school.
As a result, her way of thinking can be a little different from others.