Shitsuji Saionji no Meisuiri Season 1

Saionji Hajime (Kamikawa Takaya) is the perfect butler. He is exceedingly capable, perfectly attentive and absolutely loyal. He even complies with all the wishes of Yuriko (Yachigusa Kaoru), the elegant, refined widow of the Ijuuin family. Saionji had served her before the master of the family passed away and established a deep trust with her. He will literally go through fire and water and put everything on the line for her. One day, the two of them come across a murder. Reading her suspicions about the case, Saionji begins his own investigation. No matter how capable he is as a butler, he should be an amateur at investigating cases. However, nothing is impossible for Saionji who brilliantly figures out the mystery with his knowledge and skills.

Synopsis: JDrama Weblog