双子喫茶と悪魔の料理書

Kagari has been in love with Hazuki since he was young. However, he has been unable to confess even now and is currently working part-time with her and her twin sister Mizuki at a coffee shop. One day, a dumb fairy named Kiki comes out of a book and tells Kagari she'll grant his wish and forcibly ties his love line with Mizuki instead of Hazuki. (Source: Amazon, translated)