Can Such a Passage Be Built?

"The biggest problem is still the safety of the sea route, isn't it?" After being happy for quite a while, everyone sighed together.

All this time, travelers had to switch to land transport upon reaching the Red Line. Not only did they have to change ships, but they also had to pay an enormous cost. But going to Fish-Man Island was far too dangerous; even with Fish-Men helping, it was not safe.

"I'm truly sorry." Queen Otohime finally realized where the problem lay. "Transportation to Fish-Man Island is too poor. There are many dangers that even we have no way of resolving."

"This may be solvable." Miming suddenly suggested, "What if dedicated passages were built on both sides of the Red Line? Wouldn't that greatly reduce the danger?"

"Huh? Can such passages be built?" Everyone was excited to hear it.

"Of course, but ownership must be shared by the World Government and the Mermaid Kingdom. Pirates must not be allowed to use them." Miming briefly outlined the prospect: a subsea tunnel could be opened beneath the sea using double-layer coating, allowing ships to pass safely. Fish-Man Island would not only become easier to reach, but its beautiful scenery would make it a vacation destination. In return, it was only natural for the World Government to protect Fish-Man Island and permit its residents to live on land.

"To achieve an ideal, one must pay a price." Miming solemnly reminded Queen Otohime, "Once travel becomes easier, opportunity and danger will arrive hand in hand. Bad people will find it easier to reach Fish-Man Island, but the Marines will also find it easier to protect it. No change comes without risk. The key is that if the World Government and the countries with vested interests can benefit, they will be more willing to