Two tales unravel the repercussions faced by individuals who dare to explore realms beyond the ordinary. Masami becomes unsettled when the captivating Rima joins her class, sparking jealousy and a deep fear. As mysterious nightmares haunt Masami, she seeks proof of Rima's true nature, leading to a chilling discovery. Meanwhile, during a summer break, reserved Miko and her adventurous friend Nanako seek excitement by investigating a supposedly haunted mansion. What begins as a thrill-seeking adventure quickly spirals into a nightmarish ordeal, testing their courage and perception of reality.