Eighth Research is a large biotech company based on advanced research and development of DNA manipulation. Naoya Graphico is on the security team for the company run by his uncle. Naoya has been acknowledged for his high combat skills and is sent on top secret missions regarding Eighth Research's interests. His most recent task has Naoya infiltrating a rival company where a mysterious girl named Celcia has been kidnapped. Naoya's passion for protecting the weak always helps him accomplish missions; he just needs to make sure his libido doesn't get in the way.
Jiro was brought to his foster parents by a gigantic oni when he was an infant. The oni promised to come back for Jiro after 15 years. However, when the promised time arrives, Jiro must face hostile oni, shadowy cultists, and their henchmen as he strives to safeguard his loved ones from their harmful actions. In the end, Jiro is compelled to travel through time, space, and alternate realms to realize his fate as the resurrected Shuten Doji.
Kamimizo, a student in high school, has ears that resemble those of an animal. They are not visible to others, but they grant her a unique ability - the ability to hear other people's heartbeats. Heart rate can increase due to a variety of reasons, such as exercise, surprise, and of course, being in love. Kamimizo, as a consequence, is forced to listen to the excitement of love every day at school. However, her heart races at the mere thought of her childhood friend, Samukawa. Despite this fact, it wasn't Kamimizo's heart that first skipped a beat.
Heavy rains lasting hundreds of days threatened to submerge Korea. After narrowly avoiding disaster, the Korea Meteorological Administration boasted a 15-year streak of 100% forecast accuracy, resulting in peaceful weather for the nation. However, the accuracy came to a sudden halt as a storm approached, and chaos ensued. Ordinary high school student, Hoshin, unexpectedly obtained the ability to control wind as he was being pursued by unknown individuals, leading him down a path of unexpected events.
A long and difficult war between the Grasslands and Zexen has resulted in immense anguish. Despite the unsuccessful implementation of ceasefire efforts, a quest commences to find the legendary Flame Champion who had previously saved the Grasslands during a former battle.
In this Danball Senki spin-off, three stories recount the life of Jin Kaido, which were originally credited to "HIRO." However, it was later disclosed that the author was actually Hiroyuki Takei (famous for works like Shaman King, Ultimo, and Jumbor) using a pen name.
The plot revolves around Lucky Star's famished younger sibling and her otaku elder sister, whose constant doujinshi purchases leave them both broke.
The "Worm Toxin" is a spine-tingling experiment that delves into the occult, utilizing hundreds of insects. These bugs are put within a confined space and made to battle to the death until only one remains. Witnessing this ritual can be unnerving. Inspired by this, a demon tries to replicate the experiment by enclosing a hundred sorcerers within a "Box from Hell." To the demon's dismay, the final two sorcerers left standing are hopelessly in love and refuse to continue the game. The demon is determined to force them to reveal their true feelings, resorting to any means necessary to achieve its goal.