Sandroverse

The Sandroverse (or Kenganverse) is a fan-made term that refers to the encompassing universe of Sandrovich Yabako's authorised series. Within the Sandroverse are the following series:
 * Dumbbell Nan-Kilo Moteru?
 * Dumbbell Nan-Kilo Moteru?
 * Dumbbell Nan-Kilo Moteru?
 * Dumbbell Nan-Kilo Moteru?