Under Theory

Under Theory (アンダー • セオリー) is the name for Satanman's personal playground and it is located on an island called Sobelow (ソベロー) that reaches the bottom of the sea floor. Satanman uses Under Theory solely as an entertainment source and to fulfill his sexual desires. It is home to his many Playthings.

General Layout
Under Theory is accessible only by Sobelow's first level on the surface. From that point, each floor is accessible by a long stairwell.

Trivia

 * Sobelow's layout is based on the.