It will premier in July
The official website for the Smartphone game “Happy Elements” has uploaded the first promo for the anime adaptation which you can see bellow:
Kunihiro Mori (Mars Daybreak) is directing the anime at Sudio LIDEN FILMS; Fumiaki Maruto and Shunsaku Yano are in charge of the series composition.
Anime News Network describes the story as follows:
“The story takes place in London at Café Forbidden, a mysterious café that only opens at night. The protagonist is a girl who is in London to study abroad. She meets the handsome men who work this place where the guardians of the boundary between the human and shadow world gather.”
Via: Anime News Network