In many modern games, trying to romance everyone in version 0.9.7 leads to a "Harem Crash" or a lonely ending.
Requires high "Empathy." You must support her prosthetic journey and push her to join the Drama Club.
To give you a precise walkthrough with specific dialogue choices, please let me know:
If a message says "[Character] will remember that," you have likely gained or lost a relationship point. ❓ Which game are you playing?