The radio drama was started in Ookamic RadioII today.
A title is "A wolf and honey pickled peach" which are one of the side stories.
The first episode is played from 37:37 to 43:06 within the following streaming.
(It will be available until August 25.)
http://www.animate.tv/asx/r09080043_muw7lm_nb.asx
The casts are Horo/Ami Koshimizu, Lawrence/Jun Fukuyama, and Clare/Rina Sato (Haruka Minami/Minami-ke) who is radio drama original character.
It is released as CD (60 minutes) on September 16.
It is faithful to an original novel because it is still the episode 1.
But it will turn into a comedy before long.