A parfait of "Medama-Oyaji" is also available! At Sumida Aquarium, a summer-only project where the jellyfish tunnel becomes a "haunted house"
At "Sumida Aquarium", a summer-only project "Shigeru Mizuki x Sumida Aquarium Water Youkai Tunnel" will be held. During the period, a collaboration menu "Medama-Oyaji's Parfait" will also appear.