Meet Izumi, a diligent student looking forward to a relaxing break away from his usual routine. Izumi reluctantly heads to his father’s rural seaside estate for the summer, persuading his girlfriend Sophia to accompany him to stave off loneliness.

Izumi finds himself caught between relaxation and discomfort as his father's commanding personality starts to dominate the household. Sophia’s feelings shift unpredictably, drawn toward Kuroda’s potent presence despite her commitment to Izumi. What begins as subtle flirtation escalates into a charged affair, complicating the dynamics between the trio.

Unaware of the brewing storm, Izumi enjoys his vacation, not sensing the passionate betrayal taking root nearby. Their summer idyll transforms into a heated drama where trust is shattered and forbidden cravings take control. Ultimately, Izumi stands at a crossroads, challenged to reclaim his life or watch everything he cherishes slip away in the wake of seduction and deceit.