After an illicit affair at work falls through, office worker Ushiro Akechi is wallowing in quiet desperation and stumbling toward ending it all. What she really needs is an older sister to talk her back from the edge Luckily, she's about to meet onefrom the other side! Self-proclaimed Guardian Spiritual Older Sister Masako is ready and waiting to take Ushiro under her ghostly wing! Together, can they turn a brush with death into the start of a gloriously funny new partnership!?