it was a beautiful breezy day.. Sonic and Mario were gonna do their super race crossover with all of their friends! That is, until a random space portal attacked all of them! leading to that...waking up at an unknown dimension, met with a mischievous bear.. "puhuhu my fellow lab rats! welcome to this game of despair!" "...what? despair, who the heck is this guy?" what will Sonic and friends do?! and what happens when a lovers querl starts to form!? find out what happens in this one-of-a-kind love story!!