If you’re a mystery buff, you’ll want to read Malice. 

When Nonoguchi’s friend, successful author, Hidaka is murdered in his home office, Detective Kaga is assigned to the case. He was once a teacher at the same school as Nonoguchi, and it doesn’t take him long to suspect Nonoguchi murdered the friend he has known since his school days. But Detective Kaga needs a motive otherwise the case will not hold up in court. What could Nonoguchi’s reason be to murder a friend who has helped him during his middle school years and introduced him to an editor so his children’s stories can be published? Detective Kaga is persistent, but can he outwit Nonoguchi?