湯布院殺人事件 (Yufuin satsujinjiken, The Yufuin Murder Case, 1994) is a not very interesting mystery by UCHIDA Yasuo (内田康夫). The main characters are IZUMI Naoto (和泉直人), a professor who has just resigned from the law department of his university in protest at its involvement in a corruption scandal, and his wife Asako (麻子). His former students honour his departure with the gift of a "honeymoon travel pass" which he can use with his wife on trains throughout Japan....
