The informations about Bedtime Story single are out :
source:
http://www.nishinokana.com/info/archive/?496783
Not a fan of her look. The covers are different for Kana but I find them forgettable
I understand that they want to keep the logic of the song used as a theme is the a-side but we should hear the Bath-time Song before to listen to the Bedtime Story and then say Oyasumi actually ? They should have thought more about the concept here than the habit.