[Machine Translation] Nii ni, achuiiiiiiiiiiiiiiiiiiiii! Here we are at Kosala, a tropical island. It's the vacation I've been waiting for! Just when I said I was going to enjoy the sea with Mr. Regulus, trouble comes along.... If you interfere with my brother's holiday, I'll use magic to put a giant octopus on ice! Oh, no? The girl you rescued from the man-eating crab... An exotic princess? And then the sea god Rosmalius shows up and invites you to his undersea palace to thank you for defeating the nuisance of the sea! Your summer vacation will be full of exciting encounters! The seventh installment of the young brothers' territory management fantasy! From upper elementary school.