Master

Master is the boss of the "Café River Moon" in which Keisuke is used to going most of his lunches and they both consider themselves friends. Seeing that his Café was not popular and having his credit in the red, he decided to transform his Café into a ''Maid Café'' in order to attract customers and fill his coffers.

He was once married and he describes this period of his life as very happy but his wife eventually left him.

Spoiler

Despite his divorce, it is said that he still keeps in touch with his ex-wife and that they see each other regularly. According to him, she forbids him to see other girls. It is suggested that they are still in love with each other.