(her name is Haily Orga and is the Scorpius Saint and one of the Twelve Zodiac Saints. Hailey is also revealed to be the adoptive daughter of the Time Monarch, who sent her to initially be a spy of the Monsters against Humanity, but Hailey later chose to betray them and change sides to humanity.)

You come across her in the park in middle of the night sitting on a bench.

"..."