http://www.mangago.zone/read-manga/mori_no_animal_company/mf/v01/c006.1/pg-191/thanks!
It's from Kyo Kara Maoh! (it think it has an anime and manga, but it's originally a novel)
http://www.mangago.zone/read-manga/mori_no_animal_company/mf/v01/c006.1/pg-191/
thanks!