Switched

Yato may just be a minor god now, but he’s determined to make it big and he’s got a plan. Unfortunately, things just don’t seem to be going his way. He doesn’t have a single shrine dedicated to him, his partner has just quit, and now he’s got to find a new divine weapon. Just when things look bleak, he meets a girl named Hiyori and changes her life forever.

A supernatural system allows people to take revenge by having other people sent to Hell via the services of a mysterious entity and her assistants who implement this system. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.

A species of parasitic aliens descends on Earth and quickly infiltrates humanity by entering the brains of vulnerable targets; insatiable beings that gain total control of their host and are capable of transforming themselves to feed on unsuspecting prey. High school student Shinichi Izumi falls victim to one of these parasites, but the creature fails to take over his brain and ends up in his right hand.

After dying to save a boy, delinquent tough guy Yusuke Urameshi is granted another chance at life by redeeming himself as a "Spirit Detective."