いろんなフォントで「retardation」変換
Zen Old Minchoretardation
Yusei Magicretardation
M PLUS 1retardation
Shippori Antiqueretardation
Yuji Mairetardation
Dela Gothic Oneretardation
DotGothic16retardation
Train Oneretardation
Hira Minchoretardation
Potta Oneretardation
Reggae Oneretardation
Stickretardation
Zen Kurenaidoretardation
Kosugi Maruretardation
Rampart Oneretardation
Hachi Maru Popretardation
New Tegominretardation
RocknRoll Oneretardation
Kaisei Decolretardation
「retardation」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？？