Arlcoco: The One Winged Princess Pet

You, the protagonist, are an alchemist. One day you meet a girl
that only has one wing… and doesn’t remember anything (amnesia).
There is only one way to save her… Turn her into a Sex Slave.

She introduces herself as Arlcoco and informs you that she wishes
to return to the skies and regain her memory.
In order to do so, the two of you begin an adventure together.