The second volume of "Harmony" by Project Itoh, illustrated by Sangamun, is finally here! In the near future, after a global crisis caused by nuclear weapons, a highly advanced medical welfare society advocating for the principle of life has been established. Suddenly, the death of his friend Kian occurs right before his eyes, coinciding with a series of suicide incidents happening worldwide. As Tuan seeks the truth, he begins to sense the presence of his beloved friend Miaha, who died 13 years ago, behind the events.