Synchronicity

A Diva is an unknown hero. Who sings deep inside the mountain where the sun rarely get through. The last Diva died due to using way too much Shadow than she was supposed to. The next Diva is born from Sendou Shizuka, a twins of boy and girl. Sendou Aichi and Sendou Asaka. History will repeat. History will repeat. History will repeat. But, Sendou Aichi is changing that history.