Monmon Mononokeもんもんモノノ怪; 郁郁不乐 妖怪夫君; Безутешный муж монстр

From Chibi Manga: One day, a high school student, Tsubaki, woke up to a good looking guy in a futon. He forcefully made me go to the ’Ousaka summer house’ with him, where Monono monsters and a human child will encounter each other...!?