Sunshine City in Ikebukuro, Tokyo, hosted its fifth annual tug-of-war tournament on May 27, 2026, to foster connections among office workers [1].
The event represents a shift in Japanese corporate culture, aiming to replace traditional "nomikai" drinking gatherings with health-focused interactions. By promoting workplace well-being through physical competition, organizers seek to create new forms of internal and external corporate networking.
Approximately 25 teams from companies leasing space within the Sunshine City complex participated in the competition [2]. While reports on the total number of participants vary, estimates range from 350 [3] to 420 people [1].
Organizers from Sunshine City, led by CEO Emi Waki, designed the tournament to encourage employees to interact with colleagues they would not typically encounter during the workday. This approach targets the isolation often felt in large corporate environments, a goal reflected in the participants' experiences.
One employee participant said that they had the opportunity to interact with people they do not usually work with and felt the enjoyment of the company. Another participant, who expressed frustration after their team was eliminated in the qualifiers, said they had attended multiple practice sessions and believed their team could win this year [1].
The tournament serves as a model for how mixed-use commercial facilities can evolve beyond providing physical office space. By facilitating organized social events, the complex attempts to improve the overall mental and physical health of its tenant workforce [2].
“The event represents a shift in Japanese corporate culture, aiming to replace traditional "nomikai" drinking gatherings.”
This initiative reflects a broader trend in Japan to modernize corporate socialization by prioritizing wellness over alcohol-centric networking. By leveraging the physical infrastructure of a commercial hub like Sunshine City to host health-oriented events, the organizers are redefining the role of property management to include the social and psychological well-being of the tenant workforce.



