1122 Vol. 4: For a Happy Marriage (Kodansha, 2020)

The system that once did wonders for their married life has started sending shockwaves through it, instead. While Otoya sees signs that his relationship with girlfriend Mitsuki may be doomed, Ichiko has her first encounter with a male escort. As the lies pile one on top of the other and the truth threatens to reveal itself…that's when tragedy strikes. Experience the manga phenomena that's taking the media world by storm as it questions the very institution of marriage!