![小野寺の弟・小野寺の姉](https://i0.wp.com/themoviedb.org/t/p/w185/aXx4wxEHLVxi213E4rkEYMALQXm.jpg)
小野寺の弟・小野寺の姉
Since their parents died at an early age, Susumu and Yoriko have lived together. Susumu is now 33-years-old and Yoriko is 40-years-old. Both of them have yet to marry. They are like most siblings and they rely on each other. One day, Susumu and Yoriko receive a letter that is sent to the wrong address.