Can Two Reincarnates Set Aside Their Differences To Save The Villainess?

After being reincarnated as the villainess of her favorite fantasy otome game, Claire realizes she has to act fast to save her twin sister and favorite character from falling in love because she's cursed to literally die of a broken heart! But that won't be easy when another reincarnate and a big fan of the fox twins is determined to save Miku—by making her fall in love with him instead! Which reincarnate will succeed in giving this silver-furred fox girl her happy ending: her sister the villainess or the main hero who wants to make her his waifu?! Will they end up working together to prevent innocent Miku from falling in love with one of the other five eligible bachelors and meeting her inevitable demise?