From Iskultrip Scans:
Japan wields the power of a new form of influenza so lethal that only one person out of a million can survive an infection. Kazuma, a man able to withstand the infection of the unknown virus, "Cherubim [kerubimu]," has obtained the power to save his twin sister from facing the influenza! While Kazuma saves other people's suffering by using his new power,…