Genji the Death's Friend

"People often die around me." A series of bizarre "deaths" stalks Genji. While a string of haunting memories and mystery surround him, all rooted in his childhood. A dear friend, a murder, and a curse. As more and more "deaths" unravel, the horrifying truth behind the origin grows ever more entangled. Seemingly the only keys to solve these mysteries, are the charismatic shinigami Touya, and Genji's own memories. Kindaichi Case Files writer Seimaru Amagi and Zetsuai creator Minami Ozaki come together to bring you a gripping mystery surrounding the past, memories, and a chain of deaths. (Source: Manga Box)

Tokyo Genji Monogatari is based on a novel of the same title. The series was simultaneously published in Japanese, Chinese and English (as Genji the Death's Friend) through DeNA's Manga Box app. English translation ended at the penultimate chapter. The last two volumes were published only in digital format.