The Enchained Spiritual Beast [GA-REI]

Ga-rei or known as The Enchained Spiritual Beast [GA-REI] is a supernatural action manga by Segawa Hajime since 2005. It is about a first year high school student named Nimura Kensuke who has the ability to see ghosts on a daily basis. Life changes for him when he meets a girl name Kagura who has the power to summon a "spirit devourer," which is also known as a "Ga-rei." Together, it's an adventure chasing down evil spirits and even encountering a past that Kensuke ran away from.