It’s only sleeping together while holding hands, nothing else. That’s what Shin Wooseo tells himself when a red ring that ties a person to their soulmate appears on his finger one day. Once two people get tied by the ring, they cannot fall asleep unless they’re physically together. However, his destined partner isn’t his long-term friend and secret crush, Kang Jiseok, but rather his older brother, Kang Jigeon! And so starts the tragedy of loving one brother but having to share beds with the other. Although, it might not entirely be a tragedy, as Kang Jigeon doesn’t seem so disappointed about being tied to his younger brother’s best friend…