Marie Konishi had always admired her senior from college, Kazuma, who held a special place in her heart. One night, driven by drunken courage, they became physically intimate, and after that, Kazuma began freely coming and going from Marie's home. Though Kazuma was quiet and hard to read, Marie simply loved him deeply. However, one day, faced with his cold and distant attitude, Marie reached her breaking point—and forcefully pushed him down, taking control...!