She can still do the Olympics if people demand enough.
http://en.rocketnews24.com/2017/09/2...-the-olympics/
Theres also been apparently a lot of feedback that any Johnny's groups or AKB shouldn't open the ceremony.
Utada Hikaru 34.38%
Namie Amuro (It ain't like she's dead) 24.36%
Sheena Ringo 9.46%
Anything except a Johnny's or AKB48 group 7.16%
AKB48 or a spin-off 4.87%
Arashi or similar Johnny's group 4.58%
SMAP 3.72%
Piko Taro 3.44%
Southern All Stars 2.87%
B'z 2.29%
Guitar Wolf 1.72%
Kiyoshi Hikawa 0.57%
Sachiko Kobayashi 0.29%
Turbocharged Toy Bear (feat. Merzbow) 0.29%
Saori Yuki 0%