Unequal-Sided Pentagon [Japanese]

By 貫井 徳郎

At a summer villa, a murder occurs among five friends reuniting after years. The victim, Hinano, is found dead, and Ria confesses to the crime. As the investigation unfolds, the testimonies of the remaining three friends reveal conflicting motives and shifting dynamics, leading to a gripping psychological drama.

• Format: Hardcover
• Language: Japanese
• ISBN: 448802923X
• ISBN13: 9784488029234
• Release Date: June 2025
• Publisher: Tokyosogensha