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? Winter has come, and Sorawo and Toriko go on a fun hot springs trip with Kozakura! But when Sorawo and Toriko bathe alone together, there's a hint of danger in the air... Meanwhile, the intrepid duo's preparations for a nighttime Otherside expedition are proceeding apace. However, a terrible threat from the past is quietly creeping closer, while Toriko seems to have something she needs to tell Sorawo.