April Fool's collaboration between the TV anime "Midori no Makibao" and "Uma Musume Pretty Derby" based on Tsunomaru's original work has been decided. A special website and “opening” video have been released for a limited time.

Collaboration visual between TV anime “Midori no Makibao” and “Uma Musume Pretty Derby”
This collaboration commemorates the fact that 2026 is the 30th anniversary of the TV anime "Midori no Makibao", the 5th anniversary of the game "Uma Musume", and the year of the horse. In the "Oh" opening video, the opening video of the TV anime "Midori no Makibao" is recreated by Makibao and the horse girls with "O", and you can enjoy watching Makibao, Toukai Teio, Teim Opera-oh, Sakura Bakushin-oh, Sakura Chiyo-no-oh, Sakura Chitose-oh, and Calston Raito run through the scene. The special site and video will be available for a limited time until April 30th.
TV anime “Midori no Makibao” x “Uma Musume” collaboration “Oh” Punning video “Run OO Oh”
Furthermore, a new commercial will start broadcasting from today. To commemorate this collaboration, the commercial pays homage to the ending theme of the TV anime "Midori no Makibao." In addition, if you follow "Uma Musu" official X (@uma_musu) and "Midori no Makibao" official X (@midorimakibao30) and repost the target post, we are also running a campaign where you can receive a set of all 7 types of "O" Bar can badges and "O" Ganic cotton T-shirt. The period is from today, April 1st to 11:59 on April 10th.