Otherside Picnic 11 (Manga)

"Sorawo, Toriko, and Kozakura have been attacked by a group that venerates the mysterious missing Satsuki Uruma. After traveling through the real-life scary stories "The Round Hole in the Basement" and "The Mountain Ranch," the trio ultimately emerge inside DS Research! What does Luna Urumi, the Satsuki worshipper with a bewitching voice, ultimately want with them? --