Yoji was a quiet and inconspicuous student. He had to repeat the school year due to health reasons but when he returned things were unfamiliar. But...

Inspired by the original manga (published by 白泉)

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...

The fourth play in the 'Heli-X' series. When Sadness woke up, she was alone in a dimly lit place. A small ray of light illuminated the knife in her...