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 1

On a quiet summer retreat in the mountains, a young man falls into an idyllic life with the enchanting sisters Chinatsu and her sibling, along with their alluring mother. Their blissful days are painted with laughter, tender touches, and growing intimacy—until passion ignites between them, revealing buried desires. But beneath their heated embraces and whispered confessions lies a dark secret that entwines their fates, testing the boundaries of love and lust.