All information for Sayaka Otonashi's wiki comes from the below links. Any source is valid, including Twitter, Facebook, Instagram, and LinkedIn. Pictures, videos, biodata, and files relating to Sayaka Otonashi are also acceptable encyclopedic sources.
This is a discussion about Sayaka Otonashi. Concerns about the topic, its accuracy, inclusion of information etc. should be discussed here. Off-topic discussion not pertaining to Sayaka Otonashi or this wiki will be removed.