[Shonan Seminar] Official Sponsorship Agreement with Yokohama DeNA BayStars Renewed for 2026!

Shonan Seminar has renewed its sponsorship agreement with the Yokohama DeNA BayStars for the 2026 season, featuring the launch of the new 'STAR BOX' seating area.

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  • 📰 Published: March 28, 2026 at 16:31
  • 🔍 Collected: March 28, 2026 at 21:59 (5h 28m after Published)
  • 🤖 AI Analyzed: April 15, 2026 at 07:19 (417h 20m after Collected)

Shonan Seminar Co., Ltd. (Headquarters: Shibuya-ku, Tokyo; President: Ayumu Nakajima), a member of the Sprix Group, has signed an official sponsorship agreement with the Yokohama DeNA BayStars for the 2026 season, following the 2025 season.

In conjunction with the renewal of this official sponsorship, the company has acquired the naming rights for a seating area at Yokohama Stadium, resulting in the creation of the new 'Shonan Seminar Fun Learning STAR BOX Seats.'

■ Shonan Seminar Fun Learning STAR BOX Seats

The 'Shonan Seminar Fun Learning STAR BOX Seats' are group seats that comfortably accommodate 4 to 5 people. You can enjoy watching baseball in your own private space with family and friends.

■ Background of the Sponsorship Agreement with the Yokohama DeNA BayStars

Shonan Seminar has long supported many students in their 'challenge' to pass their desired schools, with a focus on the 'quality' of success. As a company also originating from Yokohama, we resonate with the Yokohama DeNA BayStars, who constantly embody the 'spirit of challenge' through baseball and provide courage to many people, and we have been walking together as an official sponsor for some time.

With this official sponsorship agreement, in addition to the naming rights for the STAR BOX seats, we will be rolling out various initiatives, including giveaway campaigns.

■ Company Overview: Shonan Seminar Co., Ltd.

Shonan Seminar Co., Ltd. operates the 'Shonan Seminar' preparatory schools, primarily in the Kanto area, centered in Kanagawa Prefecture, based on the philosophy of 'Learning for people, nurturing people, giving back to people,' the mission of 'Creating a century of education,' and the vision of 'Maximizing human motivation to become Japan's number one cram school.' Since 2020, it has been a member of the Sprix Group and produces a large number of students who pass top-tier schools every year.

In 2023, the company launched new branding activities and established a new brand purpose: 'Fun daily learning leads you to top schools.' We strive to provide lessons that are close to our students, not only for exam preparation but also for daily learning, including regular school tests.

Name: Shonan Seminar Co., Ltd.

Headquarters: Shibuya Sakura Stage SHIBUYA Tower 22F, 1-1 Sakuragaokacho, Shibuya-ku, Tokyo

Representative: Ayumu Nakajima, President

URL: https://www.shozemi.com/

■ Company Overview: Sprix, Inc.

Sprix is a comprehensive education company that develops educational services and content. In Japan, it operates 'Mori Juku,' one of the largest individual tutoring schools by average number of students per school, and develops and publishes multiple top-market-share learning materials. Internationally, it has a track record of providing TOFAS to over 15 million people in 50 countries, and its mathematics textbooks used nationwide in Egypt, as well as AI/programming textbooks and learning tools for high school students, are used by millions of students.