Gimai Seikatsu

From classmates to siblings, sharing the same home. After his father remarries, Asamura Yuuta finds himself with a new stepsister, who happens to be the most beautiful girl in the school year, Ayase Saki. Having observed the important lessons regarding relationships between men and women from their parents' previous marriages, they agree to maintain a distance that is neither too close nor too antagonistic, aiming for a vague yet comfortable space between them. On one side, Saki, who has always been independent for the sake of her family, struggles with how to depend on others, while Yuuta is uncertain about how to treat her appropriately. Positioned on relatively equal footing, the pair gradually discover the pleasant experience of cohabiting. As the days go by, their relationship transforms from that of strangers. Ultimately, this could lead to a tale of love, who knows?