osakana (denpa yun'yun), togawa sakiko, arknights, bang dream!, bang dream! it's mygo!!!!!, commentary request, 1girl, black gloves, black horns, black ribbon, blue hair, blunt bangs, closed mouth, curled horns, detached collar, earrings, gloves, hair ribbon, holding, holding sword, holding weapon, horns, jewelry, long hair, looking at viewer, ribbon, sidelocks, solo, sword, togawa sakiko (master of melodia), weapon, yellow eyes