While surprised by the differences from his previous world, Touya is growing accustomed to living in the new world with his smartphone. Together, he, Elze, and Linze accept a mission to head to the Royal Capital.
Along the way they encounter a young samurai, Yae, who dropped all of her travel coins, a currency in the new world. After treating Yae to sate her hunger, Touya grows worried about his own savings due to how much she eats. Afterward Yae joins their party to repay the favor, and their traveling group encounters Sushie, heiress to a duchy, under attack.
Duke is the highest rank a noble can have.
الدّوق هو الرتبة العليا التي يحظى بها نبيل
Der Herzog ist der höchste Adelsrang.
"Duque" es el rango más alto
para un noble.
Es el rango más alto
para un noble.
« Duc » est le plus haut titre
de noblesse.
Duque é o maior título que 
um nobre pode ter.
Герцог — высший дворянский титул.