Is there an eternal oath for saffle? (Volume 1 whole volume)

Publisher: Sora Publishing
Author: Aino Kagawa
Size: 112mm x 174mm
Number of books: 1
Language: Japanese
Category: Female manga, manga
Latest release date: 2018-03-17

Synopsis:
The worst! A glasses man I met at a wedding. Carnivorous beast in the bed!?
Misaki, who had been attending with a smiling smile at the wedding of a colleague male who had a secret thoughts, met Kotaro, an unreliable glasses, who was a bride's cousin.
Contrary to the appearance, Kotaro, who strikes the heart of the heart, is Misaki who decided to have a physical relationship with the heart, but he turned into an exciting kedamono in the bed ... ...!?