I'm the Heroine in a Crossover Dating Sim

To survive past 99, Yukimi must complete an impossible mission: conquer the hearts of anime's most dangerous men and make them fall to their knees. A red-side spy with trust issues. A feudal heir drowning in tradition. A mad dog from the Port Mafia. A scheming half-demon lord. Four worlds collide as one woman rewrites destiny—one broken heart at a time. Will she claim victory, or become another casualty of love?