https://mercury.bbspink.com/test/read.cgi/avideo/1563350516/303
https://mercury.bbspink.com/test/read.cgi/avideo/1563350516/304
https://mercury.bbspink.com/test/read.cgi/avideo/1563350516/316
GL5． 掲示板・スレッドの趣旨とは違う投稿