Guinea Pig Doesn't Dream of Outside the Prison summary: You are reading Guinea Pig Doesn't Dream of Outside the Prison manga, one of the most popular manga covering in Yaoi, Adult, Mature genres, written by Rihara at MangaBuddy, a top manga site to offering for free. Guinea Pig Doesn't Dream of Outside the Prison has 3 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Guinea Pig Doesn't Dream of Outside the Prison to your bookmark. Taking place in the future, research on male pregnancy is underway to halt the decline in population. Nagisa Fuyumi, who had been forced to become a test subject even though he did not wish to become pregnant, has lived in the institute for five years without ever becoming pregnant. While living in his new, lousy life, he meets his childhood friend, Hayato Hinozaki, who he once admired and fell in love with again but now is meeting him as a test subject and a researcher?