1x12 - Ceres: Celestial Legend

Aki finds himself slowly changing into someone he doesn't like. He finds his new sexual attraction to Aya revolting. Aya notices that her silver cross choker has disappeared, not realizing Ceres gave it to Toya. Toya and Aki make the decision to run away, even if Toya will never get his memories back. However, when Aya waits hour by hour on the bridge where these three first met, she begins to wonder, will they ever be reunited?