Irekawari No Sono Hate Ni 4 (Regina Books) [Light Novel]

[Machine Translation] Yukako, an office worker, was summoned to another world as a substitute for a deceased princess and married to a prince from another country. While searching for a way to return to her original world, she spends her days in peace at her husband's mansion. Suddenly, however, she is taken to the palace in a carriage and forced to live a life of being grounded. Her husband, Prince Alfort, tells her that the Grand Duke's mansion has been attacked. It seems that other countries, opposed to their marriage, have taken a strong action against them...? This is the fourth installment in the story of an office worker's struggle to survive in the royal palace by making full use of her skills as a member of society!

亡き王女の身代わりとして異世界に召喚され、他国の皇子に嫁がされたOL・由香子。元の世界に帰る方法を探りつつも、夫の屋敷でそれなりに平和な日々を過ごしていた。だが突然、馬車で宮殿に連れて行かれ、外出禁止の生活を強いられる。夫であるアルフォート皇子が言うことには、大公の屋敷が襲撃されたらしい。どうやら、二人の結婚に反対する他国が実力行使に出たようで...!?社会人スキルを駆使して王宮を生き抜くOLの異世界召喚奮闘記、第四弾!