Illusion Flip Tutorial (Japanese ver.)

I dont know the real name of this trick but my friend told me its called the illusion flip when he taught me xP lol If someone knows the real name let me know cuz I want to know lol 簡単で結構やったら楽しいので、是非やってみてください！ 正しい名前を知らないので知ってる方教えて下さい！☆