Manga by author Rihara - Status ongoing

. High School was a rough time for Kanao Morimura, as he always struggled to find his domineering father's approval. So one can only imagine when he found the approval of fellow classmate, Sei Mishima, in his freshman year, the two became inseparable.Now in college, their relationship starts to move from friends to friends-with-benefits, as they quickly discover their apartment isn't the only thing that's a tight fit.With Kanao's cravings for attention and danger, their activities may be a bit loud for their neighbors.Their neighbor Konno, however, may be a little more interested than annoyed with the couples constant nighttime noises?

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?

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?