Observerare

• 

  Sheryl Drescher

  https://nakajima-seikeigeka.com/%e4%b8%ad%e5%b3%b6%e6%95%b4%e5%bd%a2%e5%a4%96%e7%a7%91%e3%80%80%e5%9c%b0%e5%9b%b3%e3%80%80%e3%83%9b%e3%83%bc%e3%83%a0%e3%83%9a%e3%83%bc%e3%82%b8-2/