いろんなフォントで「onion_butter」変換
Zen Old Minchoonion_butter
Yusei Magiconion_butter
M PLUS 1onion_butter
Shippori Antiqueonion_butter
Yuji Maionion_butter
Dela Gothic Oneonion_butter
DotGothic16onion_butter
Train Oneonion_butter
Hira Minchoonion_butter
Potta Oneonion_butter
Reggae Oneonion_butter
Stickonion_butter
Zen Kurenaidoonion_butter
Kosugi Maruonion_butter
Rampart Oneonion_butter
Hachi Maru Poponion_butter
New Tegominonion_butter
RocknRoll Oneonion_butter
Kaisei Decolonion_butter
「onion_butter」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
