According to Their Own Instincts

Kang Yu-Jin, an executive director at Shin-A Food, has lived by the belief that proving herself through numbers and skills is everything. To seize control of "Shin-A Food", her ultimate goal, she proposes a contract marriage to Ki Seung-Hyun, the president of SOO ENM. Ki Seung-Hyun, who lives while concealing his beastly nature, readily accepts her proposal to use him and cooperates by acting as a loving partner. **Original Novel:** [Chapters](https://series.naver.com/novel/detail.series?productNo=8119082), [Volumes](https://series.naver.com/novel/detail.series?productNo=13230931) **Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=850889), [Naver Series](https://series.naver.com/comic/detail.series?productNo=14158077)