As character names:

U+FFAF HALFWIDTH HANGUL LETTER RIEUL-PHIEUPH character (ﾯ)

As raw characters:

ﾯ

As a string of HTML entities:

ﾯ

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 143, hex 0x8F, octal \217, binary 10001111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 190, hex 0xBE, octal \276, binary 10111110
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 175, hex 0xAF, octal \257, binary 10101111
This is continuation byte 3, expecting 0 more.

U+FFAF	HALFWIDTH HANGUL LETTER RIEUL-PHIEUPH
	# <narrow> 313F