riou (pooh920), eikthyrnir (chiseled trainer) (fire emblem), eikthyrnir (fire emblem), female byleth (cheer power) (fire emblem), female byleth (fire emblem), fire emblem, fire emblem: three houses, fire emblem heroes, nintendo, commentary request, highres, 1boy, 1girl, armpits, arms up, bare arms, black shirt, blue background, blue hair, breasts, brown hair, fingerless gloves, flexing, gloves, hand up, large breasts, letterboxed, looking at another, masked, muscular, muscular male, official alternate costume, open mouth, shirt, thighs, v-shaped eyebrows