Happiness! De:Lucks

The story begins with Valentine's Day coming up in just a few days and there's a rush for all the girls to get the chocolate they want in order to give it to the boys they like, in accordance with Japanese custom. Kamisaka Haruhi, a mage in training, is out with her friend Hiiragi Anri, also a mage in training, in order to do just this. While walking outside in the park, after buying the chocolate...