Code point
U+3033
Glyph appearance depends on your fonts.
U+3033
LmU+3033 VERTICAL KANA REPEAT MARK UPPER HALF is a Unicode 16.0.0 character in the Modifier Letter category. It belongs to the CJK Symbols and Punctuation block.
Choose the representation you need, then copy its value.
U+3033
12339
〳
〳
E3 80 B3
3033
00003033
%E3%80%B3
\u3033
\u3033
\u3033
\3033