The merfolk vessel sped through the water, soon arriving at Baobol—a magnificent underwater city.
Metal cylinders with no sharp edges stood everywhere, each fitted with arched windows polished from crystal. Countless shuttle-shaped submersible vessels weaved among them in orderly, unhurried motion.
Despite their different forms, Lin Yu still sensed a familiar "modernization" in this underwater city.
What difference was there between this place and a modern metropolis filled with skyscrapers and bustling traffic?
"Both of you, I've already reported your identities. Although you said your identification was lost, it's currently the Tide-Chasing Festival, so you can still enter the city normally without identification. You just need to get temporary passes." The Merfolk Captain spoke as he handed two plastic cards to Lin Yu and April. "Miss April and Miss Yayu... Please keep them safe."
"However, because it's the Tide-Chasing Festival, you can see that the waterways are completely jammed. So my suggestion is that I take you two part of the way on foot." The Merfolk Captain found two black, lightweight masks in the room. "These are filter masks humans can use. If you're willing, you can also change into diving suits."
As the Merfolk Captain spoke, Lin Yu looked at April.
"I don't know anything about the Merfolk Kingdom. You decide."
He took the decision-making authority and handed it to April.
April accepted the responsibility. "I think that's fine."
She took the mask and fastened it over her face, then tossed the other one to Lin Yu. "Let's go, Captain."
Lin Yu took the mask and stared at April for a while.
The pitch-black mask seemed to be made of some kind of metal, but it was surprisingly light and flexible. A little pressure from his fingers could bend it.
He needed to examine how the mask was supposed