[If he were to smile- wait no are you kidding. Still, it's nice to know Naruto wants to hang out. Almost nobody wants to be left alone completely, Shino is no exception.]

A firestone. Because you already have a number of fire types, it may later come in useful. And there is also a ninja Pokemon that may interest you.

[Level 50 female Ninjask recently caught at the National Park. It's actually a ninja bug! Surely that has enough cool-factor.]