The people who contributed in building Nanana Island are called the great 7. Currently one of them is dead and one is banned. They were all Nanana's friends.
Known Great 7[]
- Shunjū Ikkaku (Admin)
- Shiki Maboro
- Kurosu Sansa (Banned)
- Koma Mutsumi
- Saito Futaba
- Uzuki Kankyō
- Nanana Ryūgajō (Dead)