Spy Mission ~She's a Baron's Maid~

The hero and his girlfriend Azami, both skilled agents, are assigned a mission - to infiltrate the mansion as servants (butler and maid) and obtain hidden evidence.
The owner of the mansion is Baron Orlando, who is known to be a lustful man and is the subject of endless dark rumors. The heroine is immediately wooed by the baron and declared
his "favorite" because of her beauty. While helping his beloved girlfriend Azami, who is summoned by the baron at night, he interacts with the ten different maids and other unusual
visitors to find evidence. Can the hero successfully obtain the evidence of baron's evil deeds and return home with the heroine?