"Bishōnen Moraimashita. - Oshikake Shitsuji" centers on the life of Ritsu, a young woman who unexpectedly inherits a mansion from her late grandfather. Upon moving into the estate, she discovers that it comes with an unusual condition: she must live with a group of strikingly handsome butlers, each with distinct personalities and skills. These butlers are bound by a contract to serve the mansion’s owner, and Ritsu quickly finds herself at the center of their attention and devotion.

The butlers include Shion, the calm and collected head butler who oversees the household with precision; Ren, a flirtatious and playful figure who often teases Ritsu; and Kaito, a stoic and protective butler with a mysterious past. As Ritsu adjusts to her new life, she begins to uncover the secrets of the mansion and the butlers themselves, including their connection to her grandfather and the true nature of their contract. The narrative explores themes of loyalty, duty, and the complexities of relationships, as Ritsu navigates her role as the mansion’s mistress while forming bonds with the butlers.

The story balances lighthearted moments with deeper emotional undertones, as Ritsu learns to trust and rely on her new companions. Each butler has a unique backstory that gradually unfolds, adding layers to their characters and their interactions with Ritsu. The mansion itself serves as a central setting, with its opulent yet enigmatic atmosphere contributing to the series’ tone. As Ritsu grows closer to the butlers, she begins to question the boundaries of their professional relationship and the possibility of deeper connections. The series blends elements of romance, comedy, and mystery, creating a narrative that keeps readers engaged with its evolving dynamics and revelations.