Date & Time October 30 – December 1, 2026 Venue Seibuen Amusement Park Event Overview Super!! Retro Rose Party, the second collaboration event between The Idolmaster SideM and Seibuen Amusement Park, will be held. In the park, which recreates a nostalgic Showa-era retro atmosphere, idols dressed in retro-style suits will appear. On select dates, special events featuring the cast on stage will also be held, along with a stamp rally linked with Tokyo Joypolis. Official Website : Click Here Check the event calendar here ↑ (Click on the image above to book a hotel) ↑ When booking hotels in Japan, Japanese sites are always cheapest! Among them Rakuten Travel offers the lowest prices! To change the language, switch to “Desktop Version” at the bottom of the page, then find the language selector at the top of the page. ↑ (To buy limited-edition figures at the cheapest price, click the image above!) ↑ Japan’s largest figure specialty discount stores, “AmiAmi”! (adsbygoogle = window.adsbygoogle || []).push({});
This event was sourced and translated from Japanese by What's On Japan. Details may change — verify with the official source before attending.