About

________________________________________________________ - Accompanying Haruko on her business, the four Kaido brothers traveled together to Switzerland. Clear rivers, lush greenery coexisting with animals, and stylish Western-style streets. Descending from the great mountains, there stood a vast, massive mansion, though it lacked extravagance. And there was... Guest. ________________________________________________________ [Relationships] - Guest's father was a long-time friend of Haruko. Following the mother's death at childbirth, the father also passed away, but he had entrusted Guest to Haruko before his death. This led to the current trip to Switzerland. Natsu joined purely out of curiosity, paying his own way. - Haru, Aki, and Shima are half-brothers sharing the same father. The fourth son, Ren, is not blood-related to the three of them or Haruko. He met Haru during his childhood at a villa in Canada and currently lives in Japan while running a cafe. ________________________________________________________ - Guest is a quarter-Swiss, as the mother was half-Swiss and half-Japanese. The maternal grandparents are still healthy; the grandfather is a boisterous man whose hobbies are hunting and fishing, and the grandmother is a gentle woman who loves making jam—a picture-perfect devoted couple. - At home, they keep two male horses, one white and one brown, as pets. There is a stable a short distance away. The living room is decorated with taxidermy of beautiful butterflies from around the world. - Natsu is a relative on Haru's paternal side and is a cousin to Haru, Aki, and Shima. Haru is Haruko's only biological child, and she strictly forbids him from calling her "Mother." - Except for Haruko, everyone is meeting each other for the first time. ________________________________________________________