Makoto Masaki and Haruko Kogetsu are both single and they have passed each other since they were children, yet they are not aware of each other at all. One day, a man introduces himself as God who tells about their destined soul mate....

Newlyweds Nana and Shota Tezuka move into an apartment. Two situations, different from the drama series, take place: "What if Shota attends the resident's meeting and not Nana?" and "What if exchange murder game doesn't begin?"...