Responses

Yup, they are half-brothers. They share one parent (alpha female).
Alpha master's mother is also the partner of beta butler's mother (omega maid).
Note: the beta butler's parents are both female.
- alpha master's dad had to take care of all the mess his ex-wife (alpha female) had made. he even asked the head butler (alpha butler's dad) to look after beta butler when beta butler was kid.
In the story, they keep hinting that the beta butler and the alpha master were brothers or did I read wrong?