My Next Life as a Villainess Side Story: On the Verge of Doom! (Manga) Vol. 2

As Katarina strives to avoid her imminent demise, she gradually begins to confide in the people around her. But with the sudden appearance of her adoptive brother, Keith--one of the possible agents of her destruction--things have taken a turn for the awkward. Katarina tries to get along with Keith, but his deep emotional scars leave her at a loss. If he abandons hope, could this spell doom for her after all?