I Was Reincarnated As The Older Brother Of A Villainess Destined to Die, So I Want To Change The Future By Raising My Younger Sister With My Own Hands ~I Am The Strongest In The World, But My Little Sister Must Be The Cutest In The World~

Native title: 死ぬ運命にある悪役令嬢の兄に転生したので、妹を育てて未来を変えたいと思います～世界最強はオレだけど、世界最カワは妹に違いない～ (new LN)