An Official Alternate Costume for Aventurine (Honkai: Star Rail) from Honkai: Star Rail, first seen on the cover of the Anan No.2393 Special Edition magazine (see post #7468691).
He wears black Pajamas consisting of a black long-sleeved Shirt with Lapels that is typically Partially Unbuttoned, and black Pants with Drawstrings; all with a Gold Trim.