Miu Shiromine Bai Fengmiu -fhd--hevc- - Ipx-845

Based on the pattern you provided:

Or if you want to keep the double dash style: IPX-845 Miu Shiromine bai fengmiu -FHD--HEVC-

A common complete filename would include the resolution and codec details clearly, and possibly the file extension. For example: Based on the pattern you provided: Or if