When their parents' remarriage unites them as step-siblings, Yuuta and Saki navigate a delicate balance in their new living arrangement. With a mutual understanding to maintain a respectful distance, they embark on a journey of cohabitation, each grappling with their own struggles in communication and dependency. As they adjust to their shared life, the once unfamiliar bond between them blossoms into a deeper connection, hinting at the possibility of a love story in the making.