An Angel's Taboo (Fanfiction of The Twelve Fox Sacrifices: Colorless Blood)

Legend has it that

if an angel uses forbidden power,

that angel will be cast out of Heaven

and branded with a mark that can never fade: colorless blood!

Colorless blood,

the sign of one who is neither human nor divine.

A form accepted neither by Heaven nor by the mortal world,

the price one must bear for the choice they made.

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