 If you liked
Natsume Yuujinchou Shi
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 ...then you might like
Tondemo Skill de Isekai Hourou Meshi
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Mukouda and Fel have a very similar dynamic to Natsume and Nyanko-sensei, who is also a glutton. Fel and Nyanko even look similar with the spirit/fantasy wolf appearance. They also travel alone for the most part and have many secrets that they can't share with 'normal people'. If you like supernatural themes, then watch Natsume; if you like cooking themes, then watch Campfire Cooking.