Recently, my wife, who has been into dieting, was doing stretches after watching a certain video. The female trainer in the video-sharing site is named Himari, a slender beauty who apparently runs a personal gym in Tokyo. A few days later, I found myself going to Himari's gym with my wife. During training, her strangely close proximity and toned body made it hard for me to control my heartbeat. Then, Himari invited me to have private one-on-one lessons without telling my wife…
