Who are Melody and Harmony? How are they similar? How are they different? What does each want in life? Why are their dreams important? What are the girls' reactions to each other?

Why are Melody and Harmony raised separately? Compare the childhoods of the two. How are their lives different? How are they similar? How are their parents different? How are they similar?

Who is Zen? Ram? Jondoe? How are the three similar? How are they different? What are their roles in the lives of Melody and Harmony? What might their lives be like as adults?

Describe the crisis facing the human race during this futuristic setting. How does this crisis come about? What is the effect on teenagers? How does this change the lives of teens?

Describe three aspects of this futuristic world in which technology or the virus plays an important role...