Otherside Picnic 01 (manga)

While on the trail of alleged paranormal activity, amateur urban explorer, depressed college student, and all-around loner Sorawo discovers a door to a curious destination--the Otherside. There, she has a near-miss with a creature both repulsive and mesmerizing ... but before she can fall prey to the strange beast, the beautiful Toriko comes to her rescue! What horrors await the pair as they continue to explore this parallel world and its bizarre and dangerous denizens?!