Tadaomy Ando became a yakuza boss at a young age. Because of his subordinate, he quit the yakuza. Now, he learns from Takashi Konaka the trade of illegal money lending and how to collect debts. Tadaomy Ando decides to become a loan shark. He has customers, but has a hard time collecting debts.
At 14-years-old, Izuna On discovers he and his brother Motoi are both descendents of Tengu (flying goblin-like creatures of Japan folklore). Motoi has wings, which is somewhat rare among Tengu descendants, while On has the ability to communicate with animals. Due to their heritage, the two brothers live together, separated from normal society, and the story focuses on their everyday lives.
Seeking an escape from his mundane life, high-schooler Keita Amishima stumbles into the secret life of an agent of UNDER ANCHOR - a covert organisation combating cyber terrorism. Keita isn't alone, as he is partnered with an A.I. - the Phone Braver "Seven". Together, Keita and Seven work to counter cyber crimes, all the while dealing with the machinations of a rogue Phone Braver, "Zero One".
