Shinichi Nagakawa and Yuuki Sanada are both involved in an accident and die together. However, they are given a chance to live again. God lets them live for seven more days, but after their time is up, one of them must die again. Oh, and there's one more catch. God decrees that their lives will be shared, including emotions and physical sensations. They are also unable to leave one another's side. What will happen during those seven days? (Source: Red Hawk Scanlations)

Half & Half is the serialization of Kouji Seo's 1996 debut work of the same title, which received an Honorable Mention at the Weekly Shounen Magazine Newcomer Manga Awards. The series was published in Polish by Waneko as a 2-in-1 omnibus volume on December 14, 2016.