art by samsara, 2boys, anus, ass, ass grab, back, blonde hair, corrin (fire emblem), corrin (male) (fire emblem), fire emblem, fire emblem fates, from behind, highres, hot spring, male focus, multiple boys, nintendo, nude, onsen, partially submerged, perineum, pov, pov hands, samsara (shuukeura), short hair, signature, spread anus, spread ass, testicles, water, yaoi