My Second Engagement: Loved by the Duke’s Son and Thanked for My Healing Magic ~ My Selfish Sister Took My Fiancé, but Gave Him Back Because She Didn’t Want Him Anymore~

Native title: 二度目の婚約は治癒魔法で人々から感謝され公爵令息様から甘々に溺愛されます〜ワガママな妹に婚約者を奪われましたが、やっぱり嫌だと返されました〜