
Quick answer — Sachika Misawa worked on Accel World (Theme Song Performance), Accel World EX (Theme Song Performance), A Certain Scientific Railgun S: All the Important Things I Learned in a Bathhouse (Theme Song Performance).
Sachika Misawa worked on Accel World (Theme Song Performance), Accel World EX (Theme Song Performance), A Certain Scientific Railgun S: All the Important Things I Learned in a Bathhouse (Theme Song Performance).