The backstory of the detective-astrologer Kiyoshi Mitarai, the main character of the puzzle novels "Tokyo Zodiac" and "The House of Crooked Walls." Tokyo, 1978. A certain man came to himself on a bench in a completely unfamiliar place and gradually realized that he remembered nothing about his past life and had no idea who he was. Furthermore, he discovered that instead of his face, he saw something resembling a crimson melon in the mirrors. In this hopeless situation, a girl named Ryoko came to his aid, and they fell in love and moved in together. The unknown man took the name Keisuke Ishikawa. Seeing no other attempt to find out anything about himself, he turned to the quirky astrologer Kiyoshi Mitarai, establishing a friendly relationship with him. However, it was not the stars that helped, but chance: Keisuke found the first clue to the mystery. In Ryoko's belongings. Using this clue, he was hit by a waterfall of shocking discoveries. And only Mitarai, who possesses abilities that Keisuke could not even imagine, will be able to make sense of them…
