Brothers Conflict: Passion Pink is a dating simulator set in Japan. It is one of Otomate's two games in the series, the other being Brothers Conflict: Brilliant Blue. The difference between the two games is that owing to the numerous choices and prospects, the various love interests you may have are different.

Hinata Ema is the daughter of Hinata Rintarou, a well-known explorer. Ema learns one day that her father is remarrying to Asahina Miwa, a successful clothes designer. Rather than troubling them, she decides to relocate to Miwa's Sunrise Residence complex. She learns that she has 13 stepbrothers after that. Will one of Ema's step-brothers fall in love with her as she gets to know them all?