On the 29th, Seibu Lions announced that it had signed a sponsorship contract with Cybozu Inc. for advertising on the sleeves of jersey. Starting with the spring training camp that begins on Sunday, February 1st, the team will wear jersey shirts with the "kintone" logo on the right sleeve.

▼ Comment from Yoshihisa Aono, CEO of Cybozu, Inc.

"We are very pleased to be able to support Saitama Seibu Lions as an official sponsor, starting with their spring training camp on Sunday, February 1st. Saitama Seibu Lions, who manage Saitama Seibu Lions, has been a kintone user since 2013. In addition to supporting Saitama Seibu Lions Lions in improving business efficiency and digital transformation, we look forward to supporting Saitama Seibu Lions together with their fans as an advertising sponsor."

▼ Comment from Tsuyoshi Okumura, President and CEO of Saitama Seibu Lions Co., Ltd.

"We are extremely pleased to have concluded this sponsorship agreement with Cybozu. Cybozu's corporate philosophy of 'creating a society filled with teamwork' has much in common with our own corporate philosophy and baseball team management. We will fight alongside Cybozu, a powerful partner that supports 'teamwork' on the field, wearing their logo on our sleeves."

▼Comment from Saitama Seibu Lions pitcher Chihiro Sumida

"I feel very encouraged to be wearing our new jersey bearing the Cybozu logo starting with spring training in February and heading into the season. After speaking with them, I learned that the team's employees use Cybozu's tools to support the operation of the stadiums where we play and the coordination of events. I feel that they are truly helping the entire team move as one 'team.' With the logo engraved on my right sleeve, I will show our fans the best teamwork and play to the best of my ability so that we can continue to win."

▼ jersey shirt sleeve advertising sponsorship contract details

Contract period: February 1, 2026 (Sunday) to January 31, 2027 (Sunday)

Note: The same logo will also be on the right sleeve of the visitor's jersey.