irisli0224, female byleth (cheer power) (fire emblem), female byleth (fire emblem), fire emblem, fire emblem: three houses, fire emblem heroes, nintendo, absurdres, highres, 1girl, armpits, bike shorts, bike shorts under skirt, black shorts, blue eyes, blue hair, breasts, flag, grey shirt, grey shorts, hair between eyes, hairband, holding javelin, jacket, jacket on shoulders, javelin (spear), large breasts, long hair, midriff, official alternate costume, outdoors, shirt, shorts, sky, sleeveless, sleeveless shirt, sweat, thighs, track jacket, walking, white hairband