|Japanese Name||園 (その)|
|Romanized Name||Sono ...|
|English Name||... Sono|
|Debut||Episode 04 - Your Efforts Aren't in Vain|
He has purple-blue hair and dark brown eyes.
He is greedy and has a mysterious personality. He is always seen in his office wearing a red coat and black shirt. He will do anything to claim power over AKB0048.
- Chieri Sono (Daughter)
In episode 20, he had given Mii-chan the opportunity to try to bring the Center Novae back by getting a member to become a Center Nova to open the portal. However, that was not his gain from the offer. His gain was an attempt to capture the power of the Center Nova, Kirara, and Dualium for military purposes.
By the end of episode 24, as soon as Chieri finished singing to show him her radiance, he was shot.
- His family's butler is Yasunaga
- In episode 11, Chieri reveals that even when his wife died, and even when his son died, he never came home because he was so busy with work.
- According to Nagisa's father, Chieri's father is a lonely man.
- By the end of episode 11, he was assassinated.
- It is revealed in episode 13 that his grave is placed near Zodiac Corporation's headquarters on Sagittariusstar.