Pre-order Bonus
This set includes accessories that can be worn by the characters. It features the following items:
-Ruka/Misaki/Choshiro-Exclusive Accessory "Spirit Stone Flashlight Hat"
-Ruka Exclusive Accessory "Fox Mask (White & Red)"
-Misaki Exclusive Accessory "Fox Mask (Black & Red)"
-Choshiro Exclusive Accessory "Fox Mask (Black & Blue)"

Note: Bonus content might be made available later as purchasable content.

More details on the official game page of Ruka/Misaki/Choshiro-Exclusive Accessory (Spirit Stone Flashlight Hat & Fox Mask) ...