ADN-529 For several days in a row, I indulged in summer romance with my sister who comforted me when I was heartbroken - Hinata Mori

In a moment of heartbreak from a breakup, the male protagonist receives gentle comfort from his older sister. Amid the scorching summer heat, the two unexpectedly immerse themselves in a romantic atmosphere, unable to extricate themselves for days. Their sibling relationship, starting from consolation, gradually heats up, evolving into forbidden intimate contact. The sister's care intertwines with the summer's passion, as the male protagonist loses himself in an emotional vortex. Together, they spend a summer filled with passion and guilt. The film explores the boundaries of family ethics and the clash of youthful desires.