Night Flowers

"Night Flowers" is a nightclub where girls who are various humanoid species work. You are one of the executives of the club.
If you can make the girl to become the number one of the club, the next owner's chair will be yours.
However, the customers who come to the club are all peculiar monsters.
You will polish your skills, attract customers, and sometimes take care of your girls' stresses to develop your own unique nightclub!

—description from the publisher (translated)