異世界で妹天使となにかする。＠ＣＯＭＩＣ
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Guy reincarnates in another world and his support angel reincarnates with him as his sister. Strangely enough, she begins to teach him magic with great excitement, until she gradually begins to laze around and he discovers her end goal was just to build him up enough so that she can leech off of him for life.
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