Set against the vibrant and atmospheric backdrop of Japan, The Tale of My Beautiful Onii-san follows 18-year-old Haruki as he arrives in Kyoto, eager to reconnect with his cousin Yuki after years apart. But nothing could prepare him for the shocking transformation he finds. Drawn into Yuki’s mysterious world, Haruki embarks on a journey of self-discovery, family secrets, and hidden truths. In this suspenseful and heartfelt tale, he learns that family bonds in Japan can be as intricate—and as unbreakable—as the secrets they keep.