さらば、佳き日

In a quiet town, siblings Keiichi and Akira Hirose live a life that seems idyllic to outsiders. After losing their parents, they move to a new city, posing as a married couple to keep their bond intact. Keiichi, the older brother, works at a publishing house, while Akira, his sister, is a dedicated kindergarten teacher. Their secret life, filled with the warmth of shared meals and quiet moments, belies the complexity of their emotions and the societal taboos they navigate. As they draw closer to others in their community, their hidden relationship is tested by the weight of their affection and the fear of exposure. (Unreviewed summary by Grok 2)