Yotsuba always knew that her friends Yuna and Rinka were made for each other...until one day they both ask her out! And she says yes to them both on impulse! Can Yotsuba keep her accidental two-timing under wraps and make her new girlfriends happy?

After being reborn in the world of the otome game she'd been playing, Katarina realizes that she's the antagonist, who is either killed or exiled in every ending of the game! Now she must use her knowledge of the game and her own wiles to survive!