Sex Knight - Prey of the Lustful Nobles

“You are asked to infiltrate a nobleman’s mansion as his servant.”
The mission told to the hero and Azami, who are both skilled agents,
The mission is to infiltrate the mansion as a servant 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 black rumors.
The heroine is quickly recruited by the maid for her skills as a butler and blends in with her, The heroine is immediately wooed by the baron and declared his “favorite” because of her beauty. The heroine is called upon by the baron night after night to help his beloved girlfriend, Azami, behind his back,
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 his evil deeds and return home with the heroine?

The protagonist and Artel have had feelings for each other since they were young, but Artel leaves without expressing her feelings in order to join the knight order, which was her dream.
However, for a certain reason, Artel, the childhood friend, returns to the protagonist’s training school as a teacher.

Diana, the second daughter of the prestigious noble Ashleigh family—renowned for producing exceptional knights for generations—was raised in comfort and protected as a proper sheltered young lady. However, after her elder sister, the female knight Luna Ashleigh, suddenly ran away and went missing, their family was scorned as a “disgraced bloodline with a runaway,” and their influence within the Imperial Army declined day by day, leading to their fall from grace. Watching her father, Robert Ashleigh—commander of the Imperial Army’s knight order—suffer in silence and grow thinner each day, Diana, deeply loving her father, began wondering if there was anything she could do for her family, and for him most of all. While struggling with these thoughts, she learned of “adventurers” and the “Adventurer’s Guild,” and resolved to become one herself, without telling her father. Thus begins Diana’s journey, where many encounters, partings, and a harsh destiny await her―――

After being falsely accused and ordered to drop out of school, you are forced to hide in a dark room and live your life. You thought your life could not get any worse, but you fell into a scam of online nude chatting and got caught in the middle of a fight between the gangs and the WSA.
You are not only arrested and imprisoned by the WSA, you are even sentenced to death. You have to either be the dog of a young lady or the hostage of a ruthless killer to have a chance of survival.
You will make your own choice between the daughter of the head of the WSA and the daughter of a gangster.
Modern technology versus the slums, the WSA versus the gangs, third-party mysterious forces, and strange alien creatures - all of these conflicts are shrouded in an impenetrable fog that will shatter your past life. Start over, solve all the mysteries, and become the hero of the city.

At just 20 years old, your life is about to change forever. After the tragic loss of your parents, a mysterious benefactor has provided you with a luxurious home and a chance at a bright future. But there's a catch: his will stipulates that you must marry one of his three enchanting daughters within days to secure your inheritance. With the benefactor's wife and daughters now living with you, your life becomes a whirlwind of passion, desire, and complex relationships. As you navigate this new reality, every decision you make could lead to love, passion, or even a harem full of lasciviousness.