Jaejeong Shin's dad rents out part of their house and he loses his favorite room to a single mother and her daughter Arin Woo. Then he discovers their parents are having an affair. Arin finds out the same day. Two people who have every reason to resent each other end up sharing a secret neither of them wanted. Korean manhwa by H.G. Bradley, serialized on Naver Webtoon every Monday.

Read Between Two Floors manhwa in English, updated regularly. Also known as: 아랫집 윗집 사이에 · Araetjip Witjip Saie · Between the Upper and Lower House