Scary stuff! :O

A guy calls a company and orders their 5-day, 5kg weight loss program. The 次 day, there's a knock on the door and there stands before him a voluptuous, athletic, 19 年 old babe dressed in nothing but a pair of Nike running shoes and a sign around her neck.

She introduces herself as a representative of the weight loss company. The sign reads, "If あなた can catch me, あなた can have me."

Without a 秒 thought, he takes off after her. A few miles later puffing and puffing, he finally gives up. The same girl shows up for the 次 four days and the same thing happens. On the fifth day, he weighs...