She found some suspicious photos of an unidentified woman and, upon inquiring her husband about them, she found that the woman is closer to home than she would have ever realized!

Artist’s Twitter: https://twitter.com/akafujipiyokoo1

Onodera Kano and Nanase Miyuu have recently made their debut as a manga author duo with Kano writing the story and Miyuu drawing the art. However, Miyuu needs some help drawing love scenes, so she gets Kano to agree to act as her "boyfriend" to keep their manga aspirations alive. The only problem is that Kano has mixed feelings about it because she secretly harbors feelings for Miyuu.

Following the anime storyline, this first anthology volume brings more stories and illustrations from various authors and artists.

A funny story on the relationship between a not-so-regular pair of sisters!