Survival Guide for the Otome Game's Villain

Congratulations, you have transmigrated into your favorite game from your past life! Now, please choose your opponent: Will it be the imperial princess whom you publicly humiliated and who now harbors a jealous grudge against you? Will it be the duke's legitimate daughter whose engagement you forcefully broke, disgracing her family's honor? Or will it be your adopted younger sister, whom you bullied for years and who is now set to replace you as heir to the family? Or perhaps you'd rather defect to the demon princess and become a traitor to humanity? In response, Erich Edmond—who has just transmigrated as a villain—decides to take his status panel and head off to the Abyss to earn some gold first.