Love Wheel Biyaku ni Kuruu Shimai

Two sisters, Yuna and Mio, live together in a small apartment. Yuna is a college student who works part-time to support them, while Mio is still in high school. Their relationship is strained by financial struggles and unspoken tensions.

One day, Yuna brings home a mysterious aphrodisiac called "Love Wheel" from a shady online shop. The drug begins to warp their already fragile bond, pushing them into a dangerous spiral of desire and dependence. As they experiment with the substance, the lines between love and obsession blur, threatening to destroy everything they have.