勇者王ガオガイガーpreFINAL•

Yuusha-Ou GaoGaiGar preFINAL

Our protagonist Harumichi Sai saw his beloved girlfriend Futaba Takanashi murdered before his eyes. He was traumatized both physically and emotionally, and became deeply despondent. Then Harumichi received a mysterious "key" in the mail. The key has the mysterious power to send its owner back into the past...... <br><br> (Source: Comic Days, translated)