Japan Crate Valentine’s Day Bonus Deal! Posted by Hello Subscription on February 8, 2018. Subscription Box Coupons & Deals / Japan Crate Coupons Make the first comment! Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for LaterGo to commentsNotification Japan Crate has a V-day special for chocolate lovers! Subscribe to a Premium box with code MOCHI and get a FREE box of chocolate ganache mochi, while supplies last!