Conversation so far:
What did Ai Otsuka do in 2006?
In April 2006, Ai Otsuka released Frienger. The promotional video was used as the commercial song for the Toshiba W41T 4 GB MP3 mobile phone.

Question: Where was the video shot?
Self-contained rewrite: Where was the video for Frienger by Ai Otsuka shot?