oberon (fate), fate/grand order, fate (series), absurdres, chinese commentary, commentary request, highres, 1boy, arthropod boy, blood, blood on clothes, bug, butterfly, crown, diamond hairband, feet out of frame, from behind, holding, holding polearm, holding weapon, insect, long sleeves, looking at viewer, looking back, male focus, night, polearm, puffy sleeves, qianle559, robe, solo, viewfinder, weapon