Board Thread:Boruto Discussions/@comment-1926479-20180323224645/@comment-6036561-20180324151659

Gilgamesh85 wrote: Well, it's interesting that Kashin Koji can summon toads (but I don't think that necessarily means he is related to Jiraiya or someone who can summon toads). If Ninja villages can have rogue ninja, why couldn't the Animal villages have rogue animals? Assuming that ALL toads live in Mount Myoboku, and that no minor villages exist.

Yeah, or maybe he is a "normal" toad, and Kashin Koji got the contract with the toads even without being related to Jiraya/Naruto/Konohamaru/wathever... didn't Sasuke get the hawk summoning "out of thin air"?

I don't think you must necessarily know someone who has a specific summoning contract to get the contract yourself