Exciting Collaboration Event: 'Hatsuhoshi Aquarium II' at Sunshine Aquarium

Magical Collaboration: 'Hatsuhoshi Aquarium II'

The collaboration event between Sunshine Aquarium and the popular franchise 'Gakuen Idolmaster' is set to return with a bang as 'Hatsuhoshi Aquarium II'. Starting from December 19, 2025, until January 18, 2026, this enchanting event will introduce a host of new merchandise inspired by the whimsical Clione.

Event Overview

- Event Name: 'Hatsuhoshi Aquarium II'
- Dates: December 19, 2025 - January 18, 2026
- Time: 10:00 AM to 6:00 PM (Last entry at 5:30 PM)
- Location: Sunshine Aquarium's special venue (Guest Room) and main area
- Admission: Free to the special venue, but admission to the main aquarium requires a separate ticket.

This event serves as a continuation of last year’s successful edition, bringing back the charm with brand-new original illustrations that showcase the characters in lovely pink outfits reminiscent of the adorable Clione. Those who attend can expect to find a mix of beloved merchandise from the previous event alongside exciting new items, and even an exclusive café menu inspired by the characters.

Special Admission Tickets with Perks

Visitors can purchase special admission tickets that include an original A3 clear poster featuring unique illustrations, available in limited quantities. Pricing for these tickets is as follows:

- Adults (High School Students and above): ¥3,600 - ¥4,000 (tax included)
- Children (Elementary and Junior High Students): ¥2,300 (tax included)
- Toddlers (4 years and older): ¥1,800 (tax included)

Tickets can be obtained through the reservation site 'Asoview!'.

Exciting Merchandise Line-up

A vast array of original goods featuring the latest designs will be available at the special venue starting December 19, 2025, including:

- Acrylic Stands: ¥1,650 each
- Can Badge Collection: ¥550 each (various versions)
- Instant Photo Card Collection: ¥770 each (various designs)
- Game Mats and Blankets: Prices vary

For eager fans unable to attend in person, these items will also be available for purchase online starting December 19 at 12:00 PM, through the GK Store, with the online sale running until February 1, 2026.

Exclusive Café Offerings

As part of the excitement, the Tallis Coffee at Sunshine Aquarium will serve exclusive drinks like the 'Aqua Cocoa - Hatsuhoshi Aquarium II version', featuring stunning illustrations of the characters. Each drink is priced at ¥900 and comes with one of five beautiful designs.

Interactive Activities and Fun

Apart from merchandise shopping, attendees can engage in several fun activities:

- Digital Stamp Rally: Participants can collect stamps throughout the aquarium by scanning QR codes to redeem exclusive character cards.
- Photo Opportunities: New standees and photo spots featuring original illustrations will be set up throughout the venue.
- Limited-Time Café Menu: Enjoy amazing drinks accompanied by collectible illustrations.

Important Notes

Keep in mind that due to expected large crowds during certain dates, a digital ticket reservation system will be implemented on select days to manage entry, including December 19-21, 27-31, and January 10-12. Be sure to check GK Marketing's official channels for the latest updates regarding admission and merchandise.