Kobayashi-san Chi no Maid Dragon: Valentine, Soshite Onsen! - Amari Kitai Shinaide Kudasai
English name: Miss Kobayashi's Dragon Maid: Valentine's, and Then Hot Springs! (Please Don't Get Your Hopes Up)
Genres: Fantasy, Slice of Life
Type: Special, Episodes: 1
Aired: Sep 20, 2017
Studio: Kyoto Animation
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
Wanting to take her affection for Kobayashi a step further, dragon maid Tooru is confident in her latest creation: a love potion! With Valentine's Day just around the corner, Tooru decides there is no better way to use the potion than in homemade chocolates. However, on the special holiday, Tooru's plan is quickly foiled after Kobayashi sees through her heartfelt yet deceptive gift. 

Despite the unsuccessful attempt, many opportunities still await. Between the lively atmosphere and a trip to the hot springs, Kobayashi and the dragons indulge themselves in the sweet festivities.