Rilakkuma and Haikyu!! announce major IP collaboration

IG Port has announced a special intellectual property (IP) collaboration between the anime series ‘Rilakkuma’ and ‘Haikyu!!’. The project, involving the production studio Production I.G, features 12 newly drawn special collaboration visuals depicting characters from Karasuno, Aoba Johsai, Nekoma, Fukurodani, and Inarizaki high schools interacting with Rilakkuma and Korilakkuma.

A series of POP UP STOREs will be held across five cities in Japan at ‘baseyard tokyo’ locations. The first phase of pop-ups will run from November 20, 2026, to December 6, 2026, in Tokyo (Harajuku) and Osaka (Abeno Q's Mall). A second phase will follow from December 18, 2026, to January 17, 2027, in Sapporo, Kyoto, and Hiroshima.

Available merchandise includes trading tin badges, acrylic stands, pouches, and socks. Additionally, a collaboration lottery and card soft cookies featuring the collaboration visuals are scheduled for release in January 2027.