Adachi Ryo has had an easy life since he was a child. He got into university through his parents' connections, never had trouble dating women, and enjoyed all the fun he could get every day thanks to the allowance he received from his parents. One day, as he was curled up feeling nauseous after drinking too much, a classmate from elementary school dressed as a bunny girl called out to him. Murata Teppei is the complete opposite of Adachi. From a poor family, he works part-time jobs all the time, takes care of his younger siblings, and survives by eating wild plants. From the outside, his situation may seem unfortunate, but he lives his life as if nothing is wrong, and somehow, Adachi can't help but find his attitude strangely irritating...