Maxell Aqua Park Shinagawa マクセル アクアパーク品川
The dolphin show is synchronised with 360-degree light projections across the whole hall.
Aquarium inside the Shinagawa Prince Hotel, next to Shinagawa Station. Along with Jiyūgaoka, it is the series' most visited pilgrimage destination.
Tokyo
Gotanda, Shinagawa
The Fragrant Flower Blooms with Dignity
It is the aquarium where Rintarō and Kaoruko have their date in episode 8, and it was also chosen as the background of the series' second official key visual, the same one that opens the official website. In the manga the two have their date in the same aquarium.