Description: Due to their parents' work commitments, the family lived overseas, but when older sister, Chizuru Hotaru, dressed her younger brother Haruki Hotaru (the main character), who looks good in cross-dressing, in clothes made by his older sister, and posted them on social media, it received an unexpected response. At that time, Chizuru began to work as a world-famous fashion designer, and Haruki became her exclusive model and was treated as a set with his older sister, and in order to help her with the household finances, he continued to dress as a woman. However, the older sister, who was unable to adapt to her life overseas, decided to return to Japan with her servant. One day, two weeks after my sister and I came back to Japan, a woman who I knew at first glance was a young lady from a good family came to our house. Will the protagonist be able to make love come true in this complicated love triangle?