The first play in the series. After the third world war, advances in genetic engineering have led to the creation of TRANS, a technology that allows people to freely choose their gender. However, some people who have undergone this procedure have gained various abilities beyond human comprehension. We call these people Heli-X.

• Odyssey (JP)
• Toei Video Company
• Yuki Tamaki
• Shuji Kikuchi
• Yuya Uno
• Teruma
• Riona Tatemichi
• Shōdai Matsuda
• Kouhei Shiota
• Yuzuki Hoshimoto