My Favorite Butler is a cheeky, low-budget comedy directed by Val Guest, a British filmmaker known for his explorations into the world of sex comedies during the 70s. With noteworthy performances of Ollie Soltoft and Sue Longhurst, this film can keep you engaged with its decent story, uncomplicated humor, and enticing drama.

In the film, Ollie Soltoft plays the lead role of Robert Swiss, a man rejected by the military due to his physical weaknesses. Left with no other option, he finds himself working in an English countryside mansion that hosts some eccentric characters. As rapid events begin to unravel, Robert gets deceitfully wrapped up in the chaotic spirit of the mansion’s inhabitants, leaving room for a lot of humor-filled occurrences.

Sue Longhurst plays the character of Patty, the glamorous and liberated daughter of the mansion's owner, whose whimsical nature and enchanting beauty catches Robert's eye. The chemistry shared by both the leads adds a flavor of romance to the comedy, thus enhancing the entertainment value of the plot.

Set in the revival of the British sex comedy era, My Favorite Butler doesn't shy away from the genre's signature comical nudity and eroticism. It is neither explicit nor offensive but leans towards the playful and lighthearted, complemented by rib-tickling comedy and mischievous scenarios.

Storywise, it's not too intricate, but it's a delightful comedy of errors that is sure to engage audience with its distinctive blend of humor and sensuality. The plot's strength lies in the screenplay, full of quirky dialogues playing a pivotal role in setting the movie's tone.

My Favorite Butler, in many ways, wraps an age-old comedic plot in an unusual and distinctive setting, thereby offering an interesting twist. There's a sense of comic absurdity running throughout the movie, punctuated by a progression of amusing incidents involving the characters of the mansion who find themselves at the receiving end of Robert's unintentional follies.

An array of eccentric characters brings uniqueness to the narrative, adding a wealth of humor and charm. Robert's interactions and relationships with these characters form the heart of the film and provide many laughs and memorable on-screen moments. Laughter is never far away in this free-spirited film, supplemented by slapstick humor and the typical dash of British wit.

The movie also benefits from engaging performances by the actors. Soltoft brings an endearing innocence and clumsiness to Robert’s character, while Longhurst adds a flirtatious vibe that's enchanting and fits well with the structure of the storyline. In particular, their bond becomes the film's heartbeat, combining wit, humor, and irresistible charm.

Although My Favorite Butler could be tagged as a sex comedy, it serves more as a hilarious account of a man’s journey in an unfamiliar environment, punctuated by misadventures and unique experiences, truly percolating the British sensibilities. The overall atmosphere of naughtiness and cheeky fun makes it a worthwhile watch for those who fancy light-hearted entertainers with a pinch of tastefully crafted adult humor.

Lastly, the quintessential English countryside setting offers a beautiful backdrop to the story, enhancing the film's aesthetic appeal. It isn't just a sharp, amusingly mischievous comedy but also a visual treat with beautiful set design and locations.

In conclusion, My Favorite Butler is a delightful blend of humorous anecdotes and quirky characters topped with a hint of romance and sensuality. Its maiden voyage into the adult comedy genre, combined with unique narrative style and a roster of distinctive characters, makes it a vibrant watch, especially for fans of British comedies.