Far away from the hustle and bustle of the city lies a small rural town in a mountainous region. A young man meets a pair of beautiful sisters there along with their mother, and lives together with them. Their days together are full of happiness, but he didn’t know that there is a hidden secret.
SISTERS – The Last Day of Summer – Chinatsu 4

Under the golden summer sun, Chinatsu and her sister share tender moments with the young man, their affection deepening with each stolen glance and lingering touch. Their idyllic days unfold in secret passion—heated embraces, whispered confessions, and forbidden intimacy behind closed doors. Yet beneath their tangled desire lies a dark family secret, threatening to unravel the love binding them together as summer draws to a feverish, bittersweet close.