A mysterious man by the name of Lee dwells with Aak, Hung, and Waai Fu in the dark alleyways of Lungmen City. Styling themselves as Lee's Detective Agency, they strove to run errands, investigate mysteries, and mediate disputes for their neighbors. Herein lists a few of their actual yet strange cases to go with your tea.

5 boys in high school become magical boys and fight evil with the power of love when they meet a pink wombat from outer space.

When Ao was in kindergarten, she smiled ear-to-ear as she told her classmates how her father (a bestselling erotic author) chose her name: "A as in apple and O as in orgy!" That day still ...

Takumi's reborn in a new world and finds super-strong twins, Alan and Elena. As their guardian, he joins an adventurers' guild to provide for them.

After Mito loses her parents and is fired from her job, she must fend for herself on the streets disguised as a boy. She comes across a stranger named Ruka and learns his dark secret—he's a vampire! Ruka invites Mito, still in disguise, to live in an all-boys dorm. Mito exchanges her blood for a place to stay, but a budding romance and her true identity threaten all that hangs in the balance.

Tomari Hinowa is a normal high school boy, until one day he's told that he has to become the wife of a mysterious creature called Kanenogi. This is the start of their newly married life.