A harem survival story full of nerdy girls. The protagonist and three nerdy girls are caught in a storm on a school trip ship and are washed up on a deserted island. The four cooperate while waiting to be rescued, but in this freeing environment that is different from their everyday lives, the hidden lewd nerdy girls' lust explodes. They all decide to satisfy the protagonist's sexual needs. It also seems that there were other shipwrecked people on the island?

Includes:
Harem life on a deserted island with lewd nerdy girls who are curious about sex
To become an adult...!
Lonely communication
Record of the nerdy girls' atelier harem activities