The number of side missions in "Royal 8" is very large. The Miracle Aquarium is one of the more unique ones. The location of the side mission is Hawaii 10 in Chapter 2, the west side of Anaconda Shopping Center. At the entrance, walk nearby to trigger the plot.
How to do the branch line of the Miracle Aquarium in Rulong 8
Miracle Aquarium
Chapter: 2
Location: Hawaii 10, at the west entrance to Anaconda Shopping Center
Full version options: None
Side content and related tips:
Walk nearby to trigger the plot, head to Anaconda Harbour Park, talk to the man in the top hat at the White Ice Castle, fight with Stephanie, the polar bear, and complete the mission after the plot.