Not Promised

Althea Maureen Puntavera never liked someone as much as she likes Kaius Monteagudo. She got turned down after expressing her feelings towards him during their first meeting but regardless of what he said and his reputation as a notorious fuckboy of La Montes, she still wants him. She was known as a temptress but she was having a hard time taming this fuckboy.

And she got a very big problem.

They're not promised to each other.
He's promised to marry her sister.