[Sakura-machi 9 Merry Jane] Onii-chan, Gyutte Shite Zutto Asa Made

The story revolves around a pair of siblings, with the younger sister harboring an intense attachment to her older brother that transcends familial bonds. One night, she pleads with him to "hold me tightly from morning until dawn," expressing her obsessive affection. From then on, their relationship gradually crosses boundaries, plunging into a taboo entanglement of physical and emotional intimacy. The work delicately portrays the transformation from innocent attachment to burning passion between the siblings, brimming with seductive and morally conflicting tension, revealing the deep-seated desires and struggles of human nature.