Wow! You just found A Touch of Blue Special Bundle- which contains the exclusive Oblique Shooter and the following items:

Astra: Whipping Bright Blue Devil Tail
Angelic Tanzanite Halo
Astra: Mini Cobalt Flapping Devil Wings
Dragon Fire Long Horns of the Demon
Astra: Bright Blue Mini Angel Wings
Astra: Bright Blue Winking Purity Eyes