There have always been two constants in Shining Armor’s life: (1) His brother Dusk is smarter than him, and (2) His brother Dusk is shorter than him. But one day, he finds Dusk standing eye-to-eye with himand his “little” brother’s growth spurt doesn’t look set to stop there.
 
As Dusk grows bigger and bigger by the day, Shining Armor struggles to adapt to being the “little” sibling. Meanwhile, Dusk struggles with new, growing urges, not all of them innocent. Just how big will Dusk Shine get? And will his new size awake new feelingsand new lustsin both “bigger” and “smaller” siblings alike?