My Next Life as a Villainess: All Routes Lead to Doom! (Manga) Vol. 4

After Katarina discovered that student council president Sirius Deek was a hidden villain in the dating sim she was reborn into, she fell under the spell of his black magic. Now, in a deep sleep, she must navigate her previous life to uncover information that will help her save Maria from the same fate. Will she wake in time to defeat Sirius? Or will Katarina finally meet her doom?