The protagonist woke up to find herself reincarnated as Adeline, the villainess from her favorite game, right before she was doomed by traitors. Backed into a corner, Adeline decides to join forces with the final boss, Klaus, the most ruthless master of the Dark Guild, to avoid ruin and serve justice. But Klaus, known as a devilish and utterly evil man despite his princely looks, is acting strangely sweet toward her…!? With only seven days until her downfall, Adeline teams up with the unpredictable Klaus to take down the traitors. A nonstop, doting fantasy about a young lady teetering on the edge of ruin!