mydei (a trail of bygone blood) (honkai: star rail)
Refers to the younger form of Honkai: Star Rail's Mydei. Originally revealed in the trailer "First Dawn of Destiny" and later formalized in the Light Cone "A Trail of Bygone Blood".
His outfit in his younger form is composed of a sleeveless black shirt with an outer layer red shirt worn hadanugi dousa, necklace, gold armlet on his left arm, single gauntlet on his right and single black glove on his left, and black pants.