Responses
![](https://pic1.mangapicgallery.com/r/avatar/4d/u1507_50x50.jpg?2)
http://www.mangago.zone/read-manga/hebi_no_seikatsu/
Could it be this one? The twin dies tho not the boy that he likes
http://www.mangago.zone/read-manga/hebi_no_seikatsu/
Could it be this one? The twin dies tho not the boy that he likes
The protagonist has a brother (twin I think) and a boy he likes, and by some unfortunate events , the boy goes in heat and the borther impregnates him and they have a kid. The protagonist leaves his home and finds out years later that the boy he liked died.