異種族恋愛相談所! ～人間と魔族の恋愛お手伝いします～, Inter-species Love Consultation Office! ~Helping Humans and Demons With Their Love Lives~, 이종족 연애 상담소! ~인간과 마족의 연애를 도와드립니다~, Oficina de consulta amorosa entre especies! ~Ayudando a humanos y demonios con su amor~, Văn phòng tư vấn tình yêu giữa các chủng tộc! ~Hỗ trợ nhân loại và ma tộc yêu đương~, 異種族戀愛諮詢處！～幫人類與魔族談戀愛～

One day, a human Hero and an executive of the Demon King's army announced their engagement! That triggered both races, who had little interaction before, to become conscious of each other. There, Mefu, a boy of the Demon race, and Teromero, a young man of the Human race, established a "Love Consultation Office" to match human × demon romances. Their secret purpose is to collect "Love Power" born from interspecies romances by doing so……!?