After being assaulted at a gathering, spirited college-goer Yuri is rescued by Toshiomi Oya, an underboss of a yakuza association. Despite her undeniable allure to him, she convinces herself that she isn't seeking a rebellious guy. However, during their next encounter, she can't help but feel drawn to him, leading to a risky and seductive romantic liaison that has the potential to engulf her entirely.