Doki Doki December 2017 Spoiler #3 + Coupon! Posted by Hello Subscription on November 14, 2017. Subscription Box Spoilers / Doki Doki Crate Spoilers . The links in this post may be affiliate links. Read full disclosure Save for Later Notification Doki Doki Crate has released theme spoilers for December! The theme is HOLIDAY PARTY! DEAL: Use code HELLO to save $3 on your first Doki Doki! And spoilers! Visit Doki Doki Crate to find out more!