The main character is named Hikaru. She misses her dead brother and speaks to him in her mind as she begins her first day of high school. Here she has many ordinary adventures. She becomes fast friends wit...

Bannai Tarao. He is a dull man with glasses and a mustache, a private detective who investigates cases for no pay. But his true identity is Daizo Fujimura, a genius in disguise who calls himself an "apostle ...