Natsumi and Haru are sisters and they are the closest family to each other after their parents divorce and the father remarries. When they are teenagers, Haru starts dating Togo as part of an engagement in an arranged marriage. They are together for two years when Haru dies from a non-specified cancer. Later Togo asks Natsumi to go out with him and she agrees on the condition they go to the places he went with Haru. Thus begins a sort of relationship between Natsumi and Togo that isn't all that straightforward.
This story probably falls under the josei genre of manga which is targeted at women. For the most part there's an aura of gloom over the story. Natsumi feels guilty for dating her sister's fiance and there's a similar feeling for Togo. Both characters have to move forward and this story tells how they both go about it. Although the subject is kind of complicated, the telling of the story is simple, with flashbacks to earlier times to help tell the story.
Overall, it's a nice story about two adults and is done without a lot of fuss.
I give this 3.5 stars.
Thank you to Netgalley and Kodansha Comics for sharing an advanced reader copy in exchange for a fair review.
