The near future. Falling marriage rates, shrinking population. Marriage is no longer love, but an investment. "That investment, we're here to help." "Marriage simulation" that simulates a future married to the other person. Couples contemplating marriage are forced to see each other's true colors. **Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=811716), [Naver Series](https://series.naver.com/comic/detail.series?productNo=9821901) **Official Translations:** [Indonesian](https://www.webtoons.com/id/drama/simulasi-pernikahan/list?title_no=5600), [T.Chinese](https://www.webtoons.com/zh-hant/city-office/marriage-simulation/list?title_no=5750), [Japanese](https://manga.line.me/product/periodic?id=Z0003220)