いろんなフォントで「back_channel」変換
Zen Old Minchoback_channel
Yusei Magicback_channel
M PLUS 1back_channel
Shippori Antiqueback_channel
Yuji Maiback_channel
Dela Gothic Oneback_channel
DotGothic16back_channel
Train Oneback_channel
Hira Minchoback_channel
Potta Oneback_channel
Reggae Oneback_channel
Stickback_channel
Zen Kurenaidoback_channel
Kosugi Maruback_channel
Rampart Oneback_channel
Hachi Maru Popback_channel
New Tegominback_channel
RocknRoll Oneback_channel
Kaisei Decolback_channel
「back_channel」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
この漢字は何でしょう？？