Tsuiho Sareta Ossan Tanya shi, Naze ka Densetsu no Daimeiko ni naruTsuihou Sareta Ossan Kajishi, Nazeka Densetsu no Daimyouko ni Naru ~Mukashi Omocha no Buki o Tsukutteageta Kodomotachi ga Zenin Eiyuu ni Natteita~; 追放されたおっさん鍛冶師、なぜか伝説の大名工になる～昔おもちゃの武器を造ってあげた子供たちが全員英雄になっていた～（コミック）; The Expelled Middle-Aged Blacksmith Somehow Becomes a Legendary Famous Craftsman: The Kids Who He Once Made Some Toy Weapons for Have All Become Heroes

The elven girl Aria is a stunning and swift adventurer. When a small cat-like beast with an adorable face embraces Aria’s fruitful chest during a dungeon exploration, she decides to keep it as a pet and names it “Tama”. At first sight it’s just an average cat, but Aria has yet to notice that Tama is a reincarnated chivalrous former Knight and that its identity is not that of a cat, but of a young monster of the strongest class “Behemoth”.