10 years ago, Saku and Aki are pure lovers. However, when they start to leave for Australia to travel, Aki suffers leukemia and died in her young age. Although Saku pray for God every evening, he prefers to suffer pains for the recovery of his lover, but Aki is buried in a sorrowful valley. 10 years later, Saku with his fiancée comes back to the place they get to know. On the playground, Saku opens the glass bottle filled with Aki's bone ash and sprinkles it. The bone ash falls over the flying petals of sakura and disappears.