1girl, ahoge, closed_mouth, disembodied_limb, elowhyra, holding, holding_sword, holding_weapon, honkai_(series), honkai_impact_3rd, katana, long_hair, purple_eyes, purple_hair, raiden_mei, raiden_mei_(herrscher_of_thunder), sheath, sheathed, simple_background, sketch, solo, sword, weapon, white_background