Hakushaku to Yousei Amai Wana ni wa Kiwotsukete

Fairy doctor Lydia Carlton has been hired by Lord Edgar Ashenbert at his London residence, where she’s forever caught between his smooth talk and constant advances. But Lydia has bigger things to worry about when she’s attacked in the park one day by a culprit resembling the Fogman, a most ominous fairy. Just as she makes it back to Edgar’s, she is visited by a lone woman seeking help to find the baron’s daughter. Could the Fogman be related to the case? And what of the mysterious Fairy’s Egg that is said to have been lost to time?

(Source: J-Novel Club)