Ga-Rei: Tsuina no Shou

A girl named Takiguchi Tsuina is cursed so that anyone she loves suffers misfortune. She instantly falls for Mikado-sempai, a new student who is actually an exorcist with the Department of Prevention of Supernatural Disasters. To be closer to him, Tsuina trains under the itinerant exorcist Izuna as an apprentice.