The series is classified as Adult/Hentai and heavily utilizes the trope, which focuses on infidelity and the cuckolding of the protagonist. Reviewers on platforms like aniSearch highlight its psychological weight, focusing on the protagonist's feelings of helplessness and the shifting dynamics of his marriage.
: The protagonist, Rei, is a complex character whose narrative voice provides insight into his thoughts and feelings. His relationship with Kanojo and his attempts to understand Tsuma drive the plot forward. Tsuma Netori Rei Boku no Ayamachi Kanojo no Sen...