This is Seele from Honkai: Star Rail.

Just Seele.

(JP: ゼーレ (崩壊：スターレイル))

Her base prompt:

hsr-533le, long hair, purple hair, purple eyes, small breasts, hair between eyes, blue hair, multicolored hair, colored inner hair,

Her outfit:

black gloves, short shorts, covered navel, single glove, purple scarf, black footwear, black shorts, fingerless gloves, bare shoulders, leotard, boots, blue scarf, single fingerless glove, purple sleeves, cleavage,

Her weapon:

holding weapon, holding scythe,

Her back tattoo, used when viewing from behind:

from behind, butterfly tattoo, back tattoo,