In this sci-fi/fantasy survival thriller, the dangerous and deadly realm of the Otherside—where urban legends roam—calls to two women, both in search of something. As they set out to sate their curiosity and explore this other world, will the most earth-shattering thing they discover on the Otherside be their feelings for each other?

In the tangled web surrounding the Otherside, complicated human relationships intersect with the bizarre unknown...

In search of answers as to the whereabouts of Satsuki Uruma, Toriko's beloved friend lost in the Otherside, Toriko and Kozakura visit DS Research. There, the pair are confronted with the end states of Fourth Kind contactees--which Sorawo and Toriko both are as well--along with more mysteries about Satsuki herself.

Then the deadly Kotoribako box appears, bringing its powerful curse with it...