The After-Dinner Mysteries (2013)
Kageyama (Sho Sakurai) works as the butler for rich heiress Reiko Hosho (Keiko Kitagawa). Reiko happens to be a novice detective but lacks certain deductive skills needed by detectives. Because of this Reiko relies on Kageyamaa to help her solve cases. Meanwhile, Kageyama isn't afraid to mince words