Hataage! Kemono Michi

[DarthEnderX]

Just gonna cut and paste the description from HorribleSubs here:

3,2,1...RUMBLE! Genzo, Japan's number one animal-loving pro-wrestler, gets transported to another world where magical beasts run rampant. In order to save the kingdom, the princess asks him to rid the world of the beasts, but he refuses and wants to save them instead! Genzo opens a pet shop for his new beast friends, but he gets too attached to them and is unable to sell them which leads to constant financial problems for his new shop! Join Genzo and his cute demi-human employees as they find loving homes for the many beasts of the kingdom!

[DarthEnderX]

6

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I gotta say, I kinda freakin love the idea of an isekai where the villains summon the heroes rival from his original world to come be his rival in this world!

So many isekai series, the fact that they come from Earth is hardly ever brought up again after the first episode. And other than genre knowledge or a vague desire to return home, it's mostly just an excuse.

I love that Animal Mask's old-world problems are following him here.