Rogo ni Sonaete Isekai de 8 Man Mai no Kinka wo Tamemasu 3 (K Lanobe Books) [Light Novel]

[Machine Translation] Mitsuha saves her country from invasion and is even given a fiefdom as a noble. Making full use of his transfer ability, he manages his fiefdom smoothly and busily with his internal administration cheat. However, the first social season as a nobleman comes, and he can't help but go to the royal capital. Since he is going to the trouble, he decides to popularize the specialty of Viscount Yamano's territory in the royal capital. Popcorn in another world! Reversi is all the rage in King's Landing! In this third volume, the owner of the general store, the princess-miko of thunder, and the Viscount Yamano Mitsuha are very active!

侵略から国を救い、貴族として領地まで与えられてしまったミツハ。転移能力をフル活用して、内政チートで忙しくも順調に領地経営をしていく。だが、貴族になって初めての社交シーズンが訪れ、王都に行かないわけにいかなくなってしまう。せっかくなので、王都でヤマノ子爵領の特産品を流行らせようと考えて―。異世界でポップコーン!?王都でリバーシが大流行!?雑貨屋の店主改め、雷の姫巫女改め、ヤマノミツハ子爵が大活躍の第3巻!