Rilakkuma, Korilakkuma, Kiiroitori, and Kaoru are off on an adventure to the theme park, but with closing time imminent it leads to a series of fun mishaps and incidents as the group squeeze a day of fun into tiny amount of time.

• Mikako Tabe
• Reina Ueda
• Soki Matsumoto
• Yuna Aoi
• Wataru Takagi
• Hitomi Nabatame
• Madoka Shiga
• Chihaya Terasaki