When is the SAITAMA SUPER Nijimasu Festival held?

It will be held from Friday, May 29, 2026 to Sunday, May 31, 2026. The 29th is a pre-event, and the main events are on the 30th and 31st.

Where is the event venue?

It will be held at 'Keyaki Hiroba 2nd Floor', 10-1 Nishishinshu, Chuo-ku, Saitama City, Saitama Prefecture.

Who is the official ambassador?

The official ambassador is Nijimasu Momokawa, a member of the first generation of the Vtuber 'Uomusume'.

Is there an admission fee?

Admission is free. However, experience menus and merchandise sales are charged.

What can you do at the pre-event?

Limited participation in catching, fishing (at a special price), and koi fishing experiences will be available.

Vtuber Momokawa Nijimasu Appointed Official Ambassador! Largest-Scale 'SAITAMA SUPER Nijimasu Matsuri' to be Held

Published May 25, 2026 7:00 PM ・ Updated Jun 14, 2026 5:00 AM ・ 2 min read ・ Source: PR TIMES

Saitama Arena Co., Ltd. will host the experiential 'SAITAMA SUPER Nijimasu Matsuri' at Keyaki Hiroba from May 29 to 31, 2026. Vtuber Momokawa Nijimasu has been appointed as the official ambassador to promote fish-eating culture through interactive content.

Event Overview Saitama Arena Co., Ltd. will hold the experiential event 'SAITAMA SUPER Nijimasu Matsuri' from May 29 (Fri) to 31 (Sun), 2026, on the 2nd floor of Keyaki Hiroba in Saitama Shintoshin. Momokawa Nijimasu, an active Vtuber from the group 'Uomusume,' has been appointed as the official ambassador.

'SAITAMA SUPER Nijimasu Matsuri' is one of the largest events in Japan specializing in rainbow trout, aiming to convey the joy and taste of eating fish through rainbow trout catching, fishing, grilling, and educational food experiences.

Appointment of Official Ambassador Momokawa Nijimasu, a popular member of 'Uomusume' known for her activities in music, cooking, and fishing, has been appointed as the official ambassador. A life-sized panel of Momokawa Nijimasu will be set up in the experience area.

Event Highlights - Rainbow trout catching and fishing experience - Koi fishing - Stamp rally and 'Tikitoss' game (with prizes) - Various fish-related content

Dates & Times - Pre-event: May 29 (Fri), 16:00 - 18:00 - Main Event: May 30 (Sat) & 31 (Sun), 10:00 - 18:00 (Last entry 17:30)

*Admission free, experiences and merchandise are paid.

FACT BOX

Source: PR TIMES
Category: Event

Vtuber Momokawa Nijimasu Appointed Official Ambassador! Largest-Scale 'SAITAMA SUPER Nijimasu Matsuri' to be Held

⚡ Key Points

Appointment of Official Ambassador Momokawa Nijimasu, a popular member of 'Uomusume' known for her activities in music, cooking, and fishing, has been appointed as the official ambassador. A life-sized panel of Momokawa Nijimasu will be set up in the experience area.

Event Highlights - Rainbow trout catching and fishing experience - Koi fishing - Stamp rally and 'Tikitoss' game (with prizes) - Various fish-related content

Dates & Times - Pre-event: May 29 (Fri), 16:00 - 18:00 - Main Event: May 30 (Sat) & 31 (Sun), 10:00 - 18:00 (Last entry 17:30)

FACT BOX

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