Loop 7-kaime no Akuyaku Reijou wa, Moto Tekikoku de Jiyuu Kimama na Hanayome Seikatsu wo Mankitsu suru  

7th Time Loop: The Villainess Enjoys a Carefree Life Married to Her Worst Enemy!, The Villainess Wants to Enjoy a Carefree Married Life in a Former Enemy Country in Her Seventh Loop!, The Villainess of 7th Time Loop Enjoys Free-Spirited Bride Life in the Former Hostile Country, ループ7回目の悪役令嬢は、元敵国で自由気ままな花嫁生活を満喫する, ชีวิตลูปที่ 7 ของนางร้าย ขอเป็นเจ้าสาวนอนกลิ้งสบายในแดนอดีตศัตรู, Седьмая беззаботная жизнь злодейки в браке со злейшим врагом, LoopNana

In this scenario, Rishe Irmgard Weitzner is faced with a difficult decision. Her fiancé has publicly ended their engagement, and her ducal family is disowning her due to shame. Despite this, Rishe remains unphased because she has had six chances before to start over and pursue different passions. However, she hopes for her seventh reincarnation to be peaceful and uneventful. Little does she know that Arnold Hein, the crown prince of Galkhein Kingdom, will be present. He is destined to take over the throne and become a tyrant who starts a war with neighboring countries. To make matters worse, Arnold is the one who killed Rishe in her previous life. Despite this, Arnold proposes to Rishe on the spot. In order to achieve her desired life, Rishe must now consider accepting his proposal and uncovering the reasons behind his violent actions to prevent the war from ever happening.