Immediate failures like being fired or "Lonely Rejection". Beach Bounce - All Endings for Achievements
Generally approachable; if you don't romance Rei and avoid bad endings, she will not reject you when asked to be your girlfriend.
The game features numerous "Good," "Bad," and "Odd" endings based on your choices and how you manage work and relationships.
Successful long-term relationships with Yuuki, Mineko, Aiko, or Rei.