Kyuu, a mystery otaku, bumps into an old man at the market place, who mistakes him for stealing his money. Megu uses her photographic memory to get out of trouble and Kyu figures out where the missing money is. As a form of gratitude, the old man treats them and tells them that he is in a hurry as he needs to go to Hokkaido, where his daughter is getting married. Later, Kyu and Megu see a man on the rook of a building being constructed, waving a torch, and jumping. As they run there, Kinta joins them and they see the dead man is the old man they met before...