Ottori Sousa

The story is about a Detective named Akiba who crosses paths with a high school idol named Mizuho. He was assigned to protect her. But he's also a young detective and a bit unorthodox. For the first two volumes Mizuho ends up getting involved in Akiba's other cases but eventually it progresses into a friendship, and eventually a relationship. (Source: MU) Included one-shots: Volume 7: Arcana (pilot) Volume 10: Silent