Code point
U+FF7F
Glyph appearance depends on your fonts.
U+FF7F
Lo<narrow> 30BDU+FF7F HALFWIDTH KATAKANA LETTER SO is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Halfwidth and Fullwidth Forms block.
Choose the representation you need, then copy its value.
U+FF7F
65407
ソ
ソ
EF BD BF
FF7F
0000FF7F
%EF%BD%BF
\uFF7F
\uFF7F
\uFF7F
\FF7F