I May Not Need Brother Evil God's Favor

Sarah traveled to the magical world and started a nightmare scenario. Her parents are missing and her uncle is abusive. I can't understand in class and can't do my homework. The family territory is in ruins, and the crisis of world destruction is imminent. Don't panic, she can call for a savior. "Brother, help me——!" * He is an ancient evil god whose mission is to destroy the world. But this time when he came to the world, something unexpected happened. The human body that carried him still had residual consciousness, and he was eager to take care of his sister. The evil god raised a cold face. He is an ancient, mysterious, noble, cold, dark, and evil god who will never be troubled by small human feelings. Yes, the Lord doesn't care! "Brother, help me!" Hey, it's my sister! Hey, my sister is so cute! Hey, my sister is asking for help from my brother, hehehehehe, my heart is melting. The evil god instantly took on his strongest form, and he wanted to be the most reliable brother. "Wait, brother, I just can't finish my homework!" "I'm not going to blow up the school——!!!" Ps. CP is not the evil god, there is someone else. Mission: Families will help and support each other