Love Whisperer

A kid named Leo was walking home from a long day of working in the factory, when he gets home however, his parents were on the ground, not moving. Their killers were demons and standing right in front of him and were about to kill him. Then all of a sudden, a guardian like angel descends and kills the demons then moved Leo. After they both moved to a safe place, the guardian gives him this role. Leo now has to make two people fall in love, make them forget about him, then disappear. And this'll happen forever. Until one life, his name is Sean. This life may end his cycle of suffering.