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[English]the world where suddenly 7 angels appeared from the sky and caused supernatural events, where some people suddenly got mysterious powersOur MC is named Takanari Shirou[Español]En el mundo. de repente, aparecieron 7 ángeles que causó un gran eventos sobrenatural, donde algunas personas obtuvieron poderes misteriosos de manera repentina.[Indonesia]dunia di mana secara tiba tiba muncul 7 malaikat dari langit dan menyebabkan kejadian supranatural, di mana beberapa orang secara tiba tiba mendapatkan kekuatan misteriusmc kita bernama takanari shirou
When his oddball father suddenly decides to remarry, high school student Toujo Basara is about to acquire some very peculiar new family members. Enter his new seductive step-sisters, Mio and Maria. When Basara discovers that one of his step-sisters is a succubus and his other a recently crowned demon lord, all hell breaks loose! Basara is almost forced into a contract with his demonic sisters where he would act as their eternal servant—but something goes wrong. Instead, a reverse contract is formed, and Basara becomes the master. Between fending off their seductive advances to coping with the attacks of rival demon contractors, Basara has a big learning curve if he is to survive.