Open the Door: the Time-Travelers Are Here to Ask for Souvenirs!

"Ahem, I said I was just visiting, and I just came in for a look. Do you believe it?" Local boss: "Start——" "Then shall I leave?" Local boss: "How about I give you my home?" "Is there such a good thing?!" … "What do you mean, what do you mean! A world! The long legs ran away!?" ———————— This book is also called: "Three Years to Save the World, Five Years to Run Away"