k 7s, mydei (honkai: star rail), phainon (honkai: star rail), honkai: star rail, honkai (series), highres, 2boys, alternate costume, antenna hair, belt, black coat, blue coat, coat, gradient hair, hair between eyes, looking at viewer, male focus, medium hair, multicolored hair, multiple boys, open clothes, open coat, orange hair, short hair, simple background, smile, teeth, toned, toned male, upper teeth only, white background