Summary: After awakening, 23-year-old Shuu Abe finds himself in a strange underworld full of unknown monsters. A talking chipmunk, whose name is Tamiko, appears in front of a perplexed Shuu Abe. “Shin, let’s get to the surface together!” These two decide to team up to get out of the maze … A weakling with the strongest ability … And a fluffy magic beast! The unique couple’s adventure begins.