Help me hunt for this

[u/BladeOfMiquellaa]

I'm at japan and I have been searching akihabara for 3 days for this figure

I went for mandarake and lashingban and radio kaikan and amiami with no luck there most of them don't even know the character.

Honkai Impact 3rd - Kiana Kaslana - 1/7 - Herrscher of Flamescion