Kamen Rider Amazons Gaiden: Light of Fireflies

Shou Sorimachi is a seemingly ordinary young man who lives with his friends in a share house, but he is actually an experimental humanoid organism called an "Amazon" who escaped from the research institute of Nozama Pharmacy two years ago.

When their urge, suppressed by the medicine given from the bracelet, awakens, the curtain of tragedy rises.