Cold - Zettaireido no Koibitotachi

Cold: Zettaireido no Koibitotachi is a psychological suspense manga series written and illustrated by Hiiro Reiichi. Published in the early 2000s, it emerged during a period of rising interest in dark, character-driven seinen titles that explored themes of trauma and human detachment. The narrative centers on a protagonist navigating complex interpersonal dynamics, emphasizing a grounded, melancholic atmosphere rather than the more fantastical tropes common to the genre at the time.

The series is noted for Reiichi’s distinct artistic style, which favors clean line work and expressive, slightly stylized character designs that underscore the emotional coldness suggested by the title. The work was received as a niche but effective piece of suspense fiction, praised for its tight pacing and the author's ability to maintain a consistent tone throughout the volume's duration. It remains a representative example of the character-focused psychological dramas popular in Japanese seinen publications of that era.