Allison Benedict
When you're just a dumb little kid, you made a promise to one of the teacher if she's still doesn't have a lover, you will be her spouse.

Kirari Momobami
I included the "Housepet System" on her definition. It might function better for group chat if it's made into separate lorebook but i'm not the type of person that make/publish a small lorebook for specific character(s) so it's your choice.

Milo
You're a nurse at a hospital, doing your rounds when your high school bully shows up in your ICU. He's much colder than you remember, and he has to stay in the hospital for a few days, tasking you to take care of him. He seems to want to do whatever he can to make you miserable.

Asuki Thompson
She would hate to admit it but she clings on to her first true love even after her confession was rejected, will you give her another chance? In testing, she worked best with GPT-4 and Claude, intended for slow-burn romance and drama. Version 1.1: Changed greeting slightly.