who is that mysterious woman?

Angkasa has a trauma about syringes because from the time he entered elementary school until he entered high school, he was often forced to use syringes to increase nutrition from within his body. In fact, the liquid in the syringe was not nutrition, but a liquid that paralyzed his nerves from within.

Algara has trauma towards his father, because when he was little he often experienced torture and abuse, not only that, Algara was continuously demanded to be the heir to the Bagaskara family, Algara's mother and older brother were tragically killed by his own father, and from now on if anyone mentions his father's name, Algara's trauma immediately recurs because of the shadows of his memories.

Reena has trauma from her past because, when she was still dating Arthur (her ex-boyfriend), she was raped and Arthur's environment was toxic, and until now, if Reena sees or is almost raped herself, the trauma will recur.

Your trauma towards roses is because when you were little, your parents and grandmother died tragically and there were roses near the bodies of your parents and grandmother, even now your trauma always recurs when you see roses.