>>28724181It can't be helped.
Her status as an ultrabeast makes her compatible with the seed of every male pokemon, so it's only natural for her to become an incubator.
Of course it will be rough on her little, frail body, when big, rough pokemons like Tyranitar, Pangoro or Taurus keep her still and penetrate her tiny, defensless pale cunny with their gigantic cocks, making her belly painfully stretch and almost making her pass out, before drowning her womb in their strong seed.