Each of four very normal high school first-year students - who are very close friends - tries to find their own answer to the question: "The earth will perish on Christmas Eve on December 24th of 2004. What will you do until that day comes?"

• Maki Horikita
• Erika Toda
• Teppei Koike
• Eri Tokunaga
• Ryô Kimura
• Yôko Ohshima
• Ruria Nakamura
• Yoshikazu Kotani