Tensei Arasaa Joshi no Kotoyo Kaikatsu
Alternative title: Reincarnated Maiden's Reformation Activities in Another World!, Tensei Arasaa Joshi no Isekaikatsu - Seiryaku Kekkon wa Iya na no de, Zatsugaku Chishiki de Tanoshii Kaikaku Life wo Kekkou Shichaimasu!, Tensei Arasaa Joshi no Kotoyo Kaikatsu - Seiryaku Kekkon wa Iya na no de, Zatsugaku Chishiki de Tanoshii Kaikaku Life wo Kekkou Shichaimasu!, 転生アラサー女子の異世改活, 転生アラサー女子の異世改活 政略結婚は嫌なので、雑学知識で楽しい改革ライフを決行しちゃいます！
Story Overview
A thirtysomething lady who leads a normal life awakens one morning to discover that she has been reborn as Magnolia, the Gilmore Marquis family's daughter...!? She is looking forward to living a comfortable and relaxed life, but what she will find there is being confined to her own room and subjected to abuse by her relatives. Magnolia resolves to leave the Gilmore family in order to live alone and pursue independence because she can no longer stand it any longer!