Morning Musume '15 DVD Magazine Vol.74 is a DVD magazine by Morning Musume '15. It was released on September 19, 2015 as merchandise for the Morning Musume '15 Concert Tour Aki ~PRISM~. On the morning of a hot day, the Morning Musume '15 members are boarded on a bus heading for a campsite. Leader Fukumura Mizuki presents that they are departed for a "1 Night and 2 Days Summer Camp"! The 13 members make memories at the campsite with sparklers, a barbecue, suikawari (watermelon splitting), and a campfire. And of course, they go to sleep and wake up...! Also enclosed in the DVD case is a special booklet illustrated by Fukumura Mizuki!