"☆寝付けない(笑)☆". Ameba Blog (Chiho Oyama's blog "Chiho - Kihou") (in Japanese). June 28, 2012. Archived from the original on August 27, 2012. Retrieved May 2, 2023.
"☆寝付けない(笑)☆". Ameba Blog (Chiho Oyama's blog "Chiho - Kihou") (in Japanese). June 28, 2012. Archived from the original on August 27, 2012. Retrieved May 2, 2023.