Makies a boy in love with his tall, older classmate Sachi. As a sign of his affection, he makes Sachi a special lunch every day. Sachi loves Makie, too, but she has a secret - shes actually a shapeshifting monster called a watari, and she was drawn to Makie because he smells delicious! But its not just Sachi whos drawn to Makies scent, and soon, he realizes the entire monster world is after him. Fortunately, Sachis a watari who eats watari, and she pledges to protect him. But how long can Makie survive, with Sachis appetite the only thing between him and a monsters belly?