"A man's essence, is my food." Tamaki Homuraya is a fox yokai, who blends in with people as a teacher in the infirmary. His colleague, Akira Abe, is a physical education teacher. One day, Tamaki's identity and method of ingesting meals through sex was exposed! Having sex and an unexpected relationship with Akira ends up being more intense than Tamaki had imagined... An athletic teacher with a big dick × a naughty but single-minded fox yokai - will this relationship be harmonious? A naughty and delicious master-servant BL story!