The Morose Mononokean
不機嫌なモノノケ庵 (original)
Ashiya has spent the first seven days of high school stuck in the infirmary because of a youkai attaching itself to him. He ends up asking the owner of a small tea room called the "Mononokean" for help. This is a tale involving the very morose owner of Mononokean guiding the youkai that happened to wander into this world go to the next world.
Starring Tomoaki Maeno, Yuki Kaji, Ayahi Takagaki, Yoko Hikasa, Junichi Suwabe, Chinami Hashimoto, Ikue Otani, Koji Yusa, Hiro Shimono
Watch "The Morose Mononokean" on Amazon released in 2016. It's a animation and comedy show, and has a rating of 7.1 out of 10 from Imdb which is usually fine for this kind of show.