After a passageway between the Human world and the worlds of Gods and Demons was revealed, these mythical beings have entered modern times. Tsuchimi Rin, an ordinary student at Verbena Academy, enjoyed a tranquil life alongside his childhood friend Kaede until the arrival of their new neighbors: the King of Gods, the King of Demons, and their respective families. Unbeknownst to Rin, both the God's daughter, Sia, and the Demon's daughter, Nerine, had previously fallen head over heels for him. Adding to the complexity of the situation, Rin must juggle his playful bond with senior student Asa and his newfound connection with the bashful Primula. This anime follows the events of the game created by Navel.