text: 1girl, solo, looking at viewer, short hair, black hair, hair ornament, long sleeves, holding, sitting, closed mouth, purple eyes, weapon, purple hair, multicolored hair, japanese clothes, pants, sword, wide sleeves, water, holding weapon, uniform, lips, holding sword, black pants, moon, katana, bug, butterfly, sheath, full moon, butterfly hair ornament, haori, blue butterfly, demon slayer uniform, kochou shinobu