At first, Kaito was hesitant to meet his brother's new wife. He had heard rumors that Natsumi was a bit of a tsundere, but he couldn't help feeling drawn to her. As he watched her cook dinner for his brother, he couldn't help but feel a twinge of lust.

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The core tension relies entirely on the social and moral taboo of pursuing a relative's spouse.

The story was also released as a visual novel on Windows (2023) and as a DVD/BD-PG by the publisher SVN.

The or magazine it was serialized in

A massive portion of the plot is dedicated to maintaining the secret from the older brother, creating a layer of suspense alongside the adult themes. 2. Why the "Sister-in-Law" Genre is Highly Popular