The Divine Curse: The story's engine relies on the rule that failing to form a relationship with a soulmate results in her death, driving Rentaro to embrace all 100 girls.
Season 1 Twist (Hahari Hanazono): Rentaro confronts Hakari's mother to save Hakari from being forced to transfer schools. Upon making eye contact with Hahari, both experience a "Zing," adding Hakari's mother to the Rentaro Family. Hahari buys the high school to stay close to the family.
Season 2 Climax: Rentaro's epic 7,453-character speech proves that he possesses sufficient emotional depth and detail-oriented love to cherish every girlfriend equally, ensuring no divine curse threatens them.