SHINU UNMEI NI ARU AKUYAKU REIJOU NO ONI NI TENSEI SHITA NO DE, IMOUTO WO SODATETE MIRAI WO KAETAI TO OMOIMASU: SEKAI SAIKYOU WA ORE DA KEDO, SEKAI SAIKAWA WA IMOUTO NI CHIGAINAI

Alternative Titles: 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～, 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~, Shinu Ummei Ni Aru Akuyaku Reijo No Ani Ni Tensei Shitanode, Imoto Wo Sodatete Mirai Wo Kaetai to Omoimasu Sekai Saikyo Ha Oredakedo, Sekai Saikawa Ha Imoto Ni Chigainai, しぬうんめいにあるあくやくれいじようのあににてんせいしたのでいもうとおそだててみらいおかえたいとおもいます22せかいさいきようわおれだけどせかいさいかわわいもうとにちがいない, Villainess' Brother, Shinu Unmei ni Aru Akuyaku Reijou no Ani ni Tenseishita node, Imouto wo Sodatete Mirai wo Kaetai to Omoimasu: Sekai Saikyou wa Ore dakedo, Sekai Saikawa wa Imouto ni Chigainai