Generally, Para is irritable and easily provoked person given their unfortunate circumstances and they're quite self-confident about their knowledge due to their nature as a homunculus. However, they're still developing and can be formally spoken when needed. They're also overprotective of their siblings and their master, feeling indebted to them and even willing to sacrifice their life if the situation calls for it. They also hate Fumikado due to having their body stolen by Fumikado.