Doki Doki Crate Coupon: Get FREE Pompom Purin Light With 6+ Month Prepaid Subscription! Posted by Hello Subscription on November 5, 2018. Subscription Box Coupons & Deals / Doki Doki Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Doki Doki Crate is offering a FREE Pompom Purin Light with your first crate when you subscribe to a 6+ month prepaid subscription! Use the coupon code POMPOM to get the deal. Valid while supplies last. OR Use code HELLO to save $3 on your first Doki Doki! Visit Doki Doki Crate to find out more!