Traveling Through the World of Beasts: It's Actually a Beautiful Man Bringing up a Cub

Multiple male protagonists + 1vN + beast world + childbirth system + farming What happened again, this time he actually came to the beast world and became a pure fox with no fertility. The fertility system is bound and fertility is increased! ! ! And there are rewards for giving birth! I still don't want to give birth, what! ! ! Male hatching cubs! What a good thing! ! Born! Must be born! Many lives! ! ! What's more, these males are also looking for her heart. Isn't this paradise?