Grandma, who was assumed to be dead, returns home after 67 years. The family decides to have her leave their home but change their tune when she reveals she has ~4 million dollars to her name. But where is the money? And why has she come home now? In this story we follow the out-of-work grandson as he watches his dysfunctional family come to terms with the disappearance and reappearance of the family matriarch and as they try to discover what grandma has actually be doing for the last 67 years.
The author does a good job of covering some pretty dark topics while keeping the overall tone of the book light. It's a fun read that goes by a lot faster than it feels.
ARC of the Japanese edition provided via NetGalley in exchange for honest review.