Uchi no Darling Gaikokujin

"Please marry me, Asakusa." Though, I thought I was asking where Asakusa was. Alex, a traveler from England, wanted to get to his destination, Asakusa, but he got lost in a quiet residential area. He unleashed the only Japanese words he knew at a man walking towards him, incorrect Japanese taught to him by a friend who was playing a prank! But the other person blushed and replied, "Yes"...?