Sasaki, a 39-year-old corporate employee, has resigned himself to live a modest life without dreams and dangers. To his great surprise, his fate takes a brutal turn after he decides to adopt a Java sparrow that he names Pii-chan. The talking bird not only happens to be a reincarnation of a famous magician from another world, but it decides to grant some of its powers to Sasaki—along with the ability to traverse between worlds. Sasaki begins a lucrative business of selling technological items from his world to the less advanced civilization of the other. However, Sasaki's life becomes more chaotic when he stops an attempt on a woman's life with his new powers. Unfortunately, the woman Sasaki saved also happens to be a government agent named Hoshizaki, who is tasked with tracking down gifted individuals like him. Forced to join Hoshizaki's secret agency, Sasaki partakes in dangerous missions to find other gifted criminals. He does not even have the luxury of hiding in the other world, where a war is about to break out. If he wants to protect peace in both worlds, Sasaki will have to become the hero that no one expects him to be.

In a small church atop a hill, Pastor Lawrence looks after Saint Cecilia. Her presence is a beacon of hope for the villagers, as her mysterious powers protect them from the weakness of their minds and outside evils. While she appears dignified in front of the villagers, Cecilia allows her lazy side to show when alone with the pastor. Although Cecilia is the guardian of the people, Lawrence is determined to shield her from harm. Unbeknownst to Lawrence, Cecilia harbors a huge crush on him. She accompanies him on his shopping trips and provides him with divine protection every day. Despite Lawrence remaining oblivious to her true feelings, Cecilia continues to shower him with obvious displays of affection as the bond between them grows.

In Tokyo Fire Department's Fire Academy, a talented new rookie is excelling in the strict and grueling rescue training. With high proficiency in both physical and mental categories, Daigo Toake is envied by one of his peers, Shun Onoda. Despite feeling a growing sense of rivalry, Shun recognizes that a part of his jealousy stems from his admiration for Daigo, and that they will eventually work together for the same noble goal of rescuing people. At the same time, Yuki Nakamura is the only woman among the current batch of recruits. She believes that she will not be outclassed in this male-dominated profession. As the fates of the three newbies intertwine, they may soon realize that the intensity of a real disaster is nowhere near what they have experienced in training. Even so, the heroes in orange will always shine brighter than any fire, saving those in need.

Shizuma Origasa, once a renowned samurai in the Aizu Domain, has fallen on hard times following his home region's crushing defeat against the new imperial government. To make ends meet, Shizuma now works as a rickshaw puller in Tokyo. Meanwhile, he tirelessly searches for his missing fiancée, Sumie Kanomata, the younger sister of his close friend Gennosuke, who had entrusted Shizuma with her safety in his final moments. After foiling an assassination plot, Shizuma is hired by the police force, and he uses this opportunity to further his pursuit of Sumie. However, he soon lands in a whirlpool of political conspiracies involving government loyalists, persistent rebels, cunning courtesans, meddlesome foreigners, and even a mysterious yakuza member, Kyoushirou Shuragami.