An isekai (another world) manga that plays with the fun concept of what one can do with a smartphone in a fantasy world.>

Zusammenfassung
Let's give a big hand! Time for a meeting of the wives-to-be! As 13,169 Phrase appear, Touya starts panicking. How can they possibly destroy so many strong enemies? Meanwhile, back at the castle, the former king of the Knight Kingdom of Lestiathe only adventurer other than Touya to hold a gold-class guild cardcomes to visit along with the princess, Hildegard. But somehow, it turns into a duel between grandfather and granddaughter?!