Rika, the main character, reminisces when she sees a blue umbrella abandoned in a bicycle chute on a rainy nignt. Rika is thinking about Aria and feeling sadness and pain at her silent death. Longed hearts turn into hatred and try to kill Aria and forget her in Rika's inner world, "Aria' storage heaven", but eventually fail and accept Aria' death. Rika also abandoned her obsession with Aria and lived a life without Aria.