Tonelico no Ou

A boy named Shiro awakens inside a massive tree and discovers he is in a future world where issues like nuclear weapons, climate change, and energy shortages no longer exist. This society is governed by the "World Tree." A girl with blue hair informs Shiro that he is a survivor from the old world. Initially confused, he gradually learns to navigate this new society, where androids assist humans and basic reasoning is uncommon. As time passes and life becomes calm and routine, Shiro's recollections of his former life begin to disappear. The story explores themes of ideals, reality, and the meaning of personal existence.