Secret Agent Shadow Crimson - Power Loss! miyazaki rin is a destroyed crystal of the chest.

The 9th Division of the Department of Defense, commonly known as Shadowaine, is a special force that hunts for demons who have negative emotions such as human fear, suffering, and despair. One of his agents, "Mikage Koya," increases his ability to ignite with crystals in his chest and fights as a "shadow krimson". However, while the crystals in her chest increase her power, when attacked, they cause intense pain. One day, in battle with the monsters, Shadwclimson was attacked by crystals and managed to repulse the demons while being harassed enough to be exterminated. Although Shadow Crimson feared that the demon would have known the secrets of crystal in this battle, new monsters did not attack the chest crystal. Shadow Crimson is not known for its secrets. But the monster pierces her momentary gap and slaps a body into the crystal of her chest! Shadow crimson that suffers from severe pain. In addition, the monster chases down and kills the crystal in his chest. Shadowclimson realizes that the secret of crystal is known to the monster, and tries to escape somehow and tell his companion who has been known to the demon, but he is finally captured by the more apparent monster. and shadow climusone... [BAD END]