I forgot the title of this BL please help

As what the title says: thse are the details of the story

>>Its BL
>> Seme takes up Uke who has no where to go- gives him a job as a bartender through a friend
>> Seme kill beasts and is part of an organization that hunts and kills those beasts
>>Uke is also a beast
>> Uke says that he doesn't remember his past but actually does and his mother told him to the man in the photo bcs he'll help him (?)