Is This Really How You Raise Beautiful Girls?

After being reborn in Tokyo, Kiryu Keiwa finds himself living with his aunt when he suddenly awakens the "Beautiful Girl Cultivation System." By guiding and nurturing young women, he can unlock lavish rewards from the system. However, things quickly spiral out of control as his trainees develop feelings far beyond mere mentorship. One declares her intention to marry him, insisting that their bond transcends the coach-student relationship. Another ominously suggests imprisoning him to keep him close, while yet another eagerly asks to join in. Staring at the beautiful girls before him, Keiwa desperately wants to reject their advances, but he is left bewildered by their extreme behavior. Are all beautiful girls really this intense?