婚約者である王太子暗殺未遂の濡れ衣を着せられ、一族郎党処刑された伯爵令嬢レティシア。その後日本に転生し、かつて魔導具師を志していた頃の記憶を手にエンジニアとして成功するも、しかし交通事故で死んでしまう。そして今度は……婚約前の12歳のレティシアに戻っていた!?ならば同じ轍を踏むなどありえない。婚約？とんでもない！魔導具開発で陰謀を打ち砕き、家族を守り通してみせる!!
4 卷
第 1 卷 · 本卷
2023-06-15
第 2 卷
2023-12-15
第 3 卷
2024-11-15
第 4 卷
2026-08-12
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