After a strategic maneuver, Senkuu Ishigami's team stalls Dr. Xeno's more scientifically advanced forces. A ceasefire between the two factions allows for the establishment of Corn City in North America, a hope for a future thriving population. Meanwhile, Senkuu and some of his teammates rush toward the Amazon in South America—the epicenter of the petrification beam's impact—to create Superalloy City and progress their spaceship project. With dangerous enemies still pursuing Senkuu and his companions, it is a race against time to reach the heart of the dense Amazon. As unexpected allies and scientific creations further fuel this leg of their journey, Senkuu is closer than ever to finally uncovering the mystery behind the petrification phenomenon.

In Doumori, an imbalance of spiritual forces threatens to plunge the small city into complete chaos. Thankfully, for the students of Doumori Elementary School, new teacher and exorcist Meisuke Nube Nueno is determined to prevent the malignant spirits—known as youkai—from accomplishing their evil deeds. The first student who catches Nube's attention is transfer student Hiroshi Tateno, who displays inexplicable outbursts of anger, often lashing out at his classmates. When they find out that Hiroshi is possessed by a youkai, Nube manages to free his student thanks to the demonic power sealed in his left hand. However, a youkai hiding behind the appearance of doctor Kyousuke Tamano bursts onto the scene and quickly abducts Hiroshi. Helped by his student Kyouko Inaba and his expertise in the occult, Nube quickly uncovers Kyousuke's sinister plans. Rushing to Hiroshi's rescue, Nube will show once more that he will stop at nothing to protect his beloved students against all supernatural threats.

Seeing everyone else enjoying their youth, socially anxious Renako Amaori is dead set on becoming an extroverted girl. Despite her reclusive past, she changes her appearance, practices conversation, and enrolls in a high school free of anyone that would know her. While she is quickly able to befriend the famous model Mai Ouzuka, after Renako joins her friend group, she realizes pretending to be a completely different person is no easy feat. Soon, Renako and Mai have a heart-to-heart and share their troubles with each other. After the sincere discussion, Renako truly believes they could become best friends. The very next day, however, the unthinkable happens—Mai confesses her love to Renako! Although Renako is not interested in dating, Mai insists the two begin hanging out alternately as friends and a couple, while figuring out which type of relationship suits them better. Determined to create a blissful friendship, Renako tries her best to convince the stubborn Mai. However, Renako herself might have a change of heart as Mai's advances continue to get bolder.

While the mission to exorcise Jin Jiji Enjouji's family home is underway, things are not going as expected. Momo Ayase narrowly evades an attempted abduction while Ken Okarun Takakura and Jiji are ambushed by the Kitou family—the unsettling landlords of the cursed estate. The trio's efforts threaten the foundation of this enigmatic town shrouded in legends and mysteries. As Momo, Okarun, and Jiji are drawn deeper into the maze of folklore and supernatural entities, they must each utilize their unique powers if they want to survive and unravel the secrets of the uncanny town.