#Japan #Tokyo #Idolmaster #Sunshine Aquarium #Collaboration Event

An Exciting Collaboration at Sunshine Aquarium

From December 19, 2025, to January 18, 2026, Sunshine Aquarium in Ikebukuro, Tokyo, is hosting a special event in partnership with the beloved idol simulation game series, The Idolmaster. This collaboration, titled Hatsu Hoshi Aquarium II, follows the successful first event held in January 2025 and promises to bring even more joy and excitement to fans.

The star of this exclusive event will be the 13 idols from Hatsu Hoshi Academy's Idol Department, who will appear in eye-catching outfits inspired by clione. Guests can expect stunning life-size illustrations and 3D hologram displays showcasing these characters, creating an immersive experience that blends the world of marine life with idol culture.

Event Highlights

• - Life-sized Panels & 3D Holograms: The aquamarine-themed displays enhance the aquarium's ambiance, making every photo opportunity unforgettable.
• - Digital Stamp Rally: Explore the aquarium and participate in a digital stamp rally to collect stamps from various locations. Participants who complete the rally can claim a mini character card featuring the idols!
• - Exclusive Merchandise: Fans will find a variety of original goods featuring the collaboration artwork. Among these, limited edition clear posters and character illustrations are sure to be favorites. Every purchase over ¥2,200 nets an original illustration card, adding to the excitement.
• - Special Café Menu: The event will introduce Aqua Cocoa Hatsu Hoshi Aquarium II version, featuring mini character illustrations on the drink. This limited-edition drink is an absolute must-try!

Event Details

Location: Sunshine Aquarium Special Venue (Guest Room) & Main Area
Event Dates: December 19, 2025 - January 18, 2026
Hours: 10:00 AM - 6:00 PM (last admission 30 minutes before closing); extended hours on December 24 and 25.
Admission: Free with separate aquarium entry fee required.
Rest Days: Closed on January 15, 2026.

• - Special Tickets: Limited edition entry tickets come with exclusive A3 posters. Prices: Adults from ¥3,600, children from ¥2,300. Tickets available starting December 5, 2025, on the reservation site Asoview!

Summary

The event Hatsu Hoshi Aquarium II brings the charming and vibrant world of The Idolmaster to life at Sunshine Aquarium, allowing guests to enjoy marine wonders while celebrating their favorite idols. Attendees can interact with unique displays, engage in special activities, and purchase exclusive merchandise that echoes the event's theme.

For more information and updates, visit the official Sunshine Aquarium website. Get ready for an incredible experience where creativity meets the beauty of aquatic life!

Website for Event Updates: Sunshine Aquarium Event Page
Note: Entry to the special venue might be restricted during peak times. Please check the website for the latest updates.

About The Idolmaster

The Idolmaster, a beloved franchise, launched its latest installment in 2024, granting players the role of a producer at Hatsu Hoshi Academy. Players scout and nurture aspiring idols, creating a rich narrative filled with music, dance, and friendship.
Official Site: The Idolmaster Official Website

Get ready to immerse yourself in the vibrant collaboration between Sunshine Aquarium and The Idolmaster, where the joy of aquatic creatures and the spirit of idol culture come together in a unique experience sure to delight fans young and old!