Eidar is a slave whose life has been rough and harsh in the cold northern provinces. However, Eidar decides to travel to the warm southern provinces as per his mother's wish, even though he doesn't have enough money to board the ship. Then he sees a recruitment flier for a male prostitute, which would allow him to board the ship for free. Although he has never worked as a prostitute, he decides that he'll do whatever it takes to get to the south. Claude Whale struggles to find the elusive fourth map of Pfeos that will help him clear his family name. Since failed to locate the map in the north, he decides to leave. Then he meets Eidar on his ship. Claude hates Eidar the moment he lays eyes on him, because he resembles Julian, his former love who betrayed him. However, he can't resist the pull he feels toward Eidar. Will Eidar be able to reach the south in one piece after his voyage with a bunch of horny sailors and a grumpy captain? Will Claude Whale be able to find the fourth map that will help him clear his family name? How will the relationship between the captain and Eidar unfold? (Source: POCKET COMICS, edited)