Onechan to Issho Ni Isekai Wo Shihai Shite Shiawasena Katei Wo Kizukimasho? 2 (MF Bunko J) [Light Novel]

[Machine Translation] ( We have to return Oikawa Hozakura to our world. ) The brother of the messenger who came to our world says that if we can make Koori, who is easy to hold the reins, the ruler over there, we can make Hozakura return. They will be freed from the tyrant, Koori will have a good life in the other world she longs for, and I will get my beloved sister back. He asks me to help him, saying it is a wonderful way to make everything come full circle.... Is it right to replace Koori with the ruler of another world in order to get Hazakura back? He is unable to let go of both his beloved sister and the promise he made to her. The second installment of this sister-brother romantic comedy that crosses the world line, as they struggle to find their ideal form of love!

「俺たちは、笈川葉桜をこちらの世界に帰さないといけないのだよ」こちらの世界にやって来た使者の兄が言うには、手綱を握りやすい小織をあちらの支配者にすることができれば、葉桜を帰還させることができるらしい。彼らは暴君から解放され、小織は憧れの異世界で良い生活ができ、俺は最愛の姉を取り戻せる。すべてが丸く収まる素晴らしい方法だと協力を求められるが...。葉桜を取り戻すために、小織を異世界の支配者にすげ替えることは正しいのか?最愛の姉と約束を交わした妹、どちらも手放せなく―。自分の理想とする愛のカタチに悩む、世界線を超えた姉弟ラブコメ第二弾!