Volume 15

Ryoh Grantz and the Definition of Handsome is the fifteenth volume of Mashle series.

Chapters

 * 128: The Ames Siblings and the Eldest Brother
 * 129: Orter Madl and the Eldest Son
 * 130: The Visionaries and the Eldest Son
 * 131: The Light Visionary and the Eldest Son
 * 132: Ryoh Grantz and the Massive Miscalculation
 * 133: Finn Ames and Staunch Fellowship
 * 134: Ryoh Grantz and The Last Resort
 * 135: Ryoh Grantz and the Definition of Handsome
 * 136: Mash Burnedead and the Unstoppable Doom

Reception

 * During its first week on sale, Volume 15 sold 28,015 copies.
 * During its second week on sale, it sold 29,019 copies, bringing the total number of copies sold to 57,124.
 * During its third week on sale, it was estimated that it sold 12,796 copies, bringing the total number of copies sold to 69,920.
 * During its fourth week on sale, it was estimated that it sold 8,800 copies, bringing the total number of copies sold to 78,720.

Trivia

 * This is the first volume title to feature Ryoh Grantz.