Mai Amai --a girl who loves sweets-- got dumped by her girlfriend, and she's still grappling with the heartbreak. One day, the café she works at gets a new employee: The gorgeous Riri Kurosaki. Mai falls head over heels for her before realizing Riri is actually a succubus! "I want to eat you and your parfaits right up! <3" Thus starts a cute and trendy, but devilish, girls' romantic comedy!