ヿ, read as koto, is a typographic ligature in the Japanese language, consisting of a combination of the katakana graphs of コ ([ko]) and ト ([to]), and thus represents their combined sound, コト ([koto]). It is drawn with one stroke. It is uncommon and used only in vertical writing.
In Unicode 
|Unicode name||KATAKANA DIGRAPH KOTO|
|UTF-8||227 131 191||E3 83 BF|
|Numeric character reference||ヿ||ヿ|
|JIS X 0213||34 56||22 38|
See also 
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