Strawberry Prince Celebrates 10th Anniversary with Cake! Limited Edition Anniversary Cake to Go on Sale!

STPR Co., Ltd. (Headquarters: Shibuya-ku, Tokyo; Representative: Masato Kashiwabara; hereinafter "STPR") announces that the sale of an anniversary cake to commemorate the 10th anniversary of "Strawberry Prince," a 2.5D idol group belonging to the company, has been decided.

The "Strawberry Prince 10th Anniversary Cake" will be released as the fourth installment of the "STPR PARADISE" collaboration project with Sweets Paradise.

Previously, this project has offered birthday cakes aligned with the birthdays of STPR's affiliated creators. In addition to this lineup celebrating "birthdays," we have now newly prepared the "Strawberry Prince 10th Anniversary Cake" as a project to celebrate a major milestone for the group.

The cake comes with original member cake picks, icing cookies, member-colored candles, and other accessories. You can enjoy an anniversary celebration that colors "Strawberry Prince"'s 10th anniversary even at home.

This product will be available for limited reservations starting from 6:00 PM on Saturday, May 9, 2026, at the STPR ONLINE STORE.

Special Website: https://www.sweets-paradise.jp/stpr-paradise/

STPR ONLINE STORE: https://store.stpr.com/

■ Strawberry Prince 10th Anniversary Cake Information

Price: 5,280 yen + shipping (tax included)

Size: No. 5 (approx. 15cm)

Accessories: Cake picks (6 types) / Candles (6 types) / Printed icing cookie (10th-anniversary logo) / Number icing cookies ("1" and "0")

Storage Method: Store frozen (below -18℃)

Expiration Date: 1 month from shipment when stored frozen

Manufacture/Shipping: Inoue Shoji Co., Ltd.

■ Sales and Delivery Schedule

Reservation Period: May 9, 2026 (Saturday) 18:00 to May 16, 2026 (Saturday) 23:59

Estimated Delivery Period: May 27, 2026 (Wednesday) to June 2, 2026 (Tuesday)

*Due to limited quantity (500 units), there is a possibility of selling out even during the reservation period.

■ "Strawberry Memory Vol. 10th anniversary ~Strawberry Prince ARENA TOUR~" Performance Overview

— Aichi —

Dates:

- June 20, 2026 (Saturday)

[Part 1] Doors open 11:00 / Start 12:00

[Part 2] Doors open 16:30 / Start 17:30

- June 21, 2026 (Sunday)

Doors open 11:00 / Start 12:00

Venue: IG Arena, 1-2-22 Meijo, Kita-ku, Nagoya-shi, Aichi

— Osaka —

Dates:

- July 4, 2026 (Saturday)

Doors open 16:30 / Start 17:30

- July 5, 2026 (Sunday)

[Part 1] Doors open 11:00 / Start 12:00

[Part 2] Doors open 16:30 / Start 17:30

Venue: Osaka-jo Hall, 3-1 Osaka-jo, Chuo-ku, Osaka-shi, Osaka

— Fukuoka —

Dates:

- July 25, 2026 (Saturday)

Doors open 16:30 / Start 17:30

- July 26, 2026 (Sunday)

[Part 1] Doors open 11:00 / Start 12:00

[Part 2] Doors open 16:30 / Start 17:30

Venue: Marine Messe Fukuoka Hall A, 7-1 Okihama-machi, Hakata-ku, Fukuoka-shi, Fukuoka

— Tokyo —

Dates:

- August 18, 2026 (Tuesday)

Doors open 16:30 / Start 17:30

- August 19, 2026 (Wednesday)

[Part 1] Doors open 11:00 / Start 12:00

[Part 2] Doors open 16:30 / Start 17:30

- August 20, 2026 (Thursday)

Doors open 11:00 / Start 12:00

Venue: Yoyogi National Gymnasium First Gymnasium, 2-1-1 Jinnan, Shibuya-ku, Tokyo

[Special Website]

https://strawberryprince10th-livetour.stpr.com/

■ Strawberry Prince Profile

A 2.5D idol group engaged in various activities, primarily on video streaming sites.

Formed in 2016, with "Nanamori.," the leader, at its core, creators active in various genres such as "utaite" (singing covers) and game commentary gathered to form "Strawberry Prince / Sutopuri" and began their activities!

The official YouTube channel boasts a cumulative 10.4 billion video views, over 4.4 million subscribers, and a total of 5.0474 million SNS followers across all members (as of April 2026).

Their arena tour held from January 2023 across 11 locations with a total of 44 performances mobilized approximately 350,000 people. At the end of the same year, they appeared on the 74th NHK Kohaku Uta Gassen. In 2024, they hosted a terrestrial crown program on the TBS network and are active in media. Their 1st single "Hajimari no Monogatari," released in June of the same year, combined Oricon (dated 6/17)