rella, oberon (fate), oberon (third ascension) (fate), fate/grand order, fate (series), commentary, highres, 1boy, ant, arthropod boy, arthropod limbs, bishounen, blue butterfly, bug, butterfly, butterfly over eye, cloak, dark background, diamond hairband, fur-trimmed cloak, fur trim, grey hair, hair between eyes, holding bug, insect, looking at viewer, male focus, medium hair, moth, reaching, reaching towards viewer, shirt, smile, solo, spotlight, upper body, white shirt, wing cape