The Villainous Older Sister Who Loves Her Younger Sister Aims for the Guillotine

“—So this is like a stage with a pre-written script?” Adelheid von Vanderwaals, the “villainous older sister” in the romance simulation game [Moonlight Liberium] , one day learned the fate that awaited her. “My ‘role’ is… ‘the mean-spirited half-sister, a haughty young lady who doesn’t understand the kindness of others’?” Her role is to relentlessly bully her half-sister, Leticia von Vanderwaals, the [Protagonist] , and ultimately be condemned. “Very well. I shall play the role I’ve been given to the fullest.” This is the stage of a story someone created. Surely, it’s possible to ruin it. “Ahh, my little sister is so cute… so incredibly cute… Ah! No, I must bully her…” Nevertheless, she decided not to resist fate. She won’t let amateurs, who might ruin this stage play, change the future. “Objective one: [The Final Ball] . Objective two: [The Guillotine] . Eliminating all resistance, guiding everything towards the destined future.” Happiness for the virtuous younger sister. Retribution for the wicked older sister. “I will give my sister happiness. I won’t let anyone interfere.” Her half-sister—a potential threat to her position, an ‘enemy’ to the head of the “cold and ruthless Vanderwaals.” It’s just the story of an older sister who, in truth, deeply loves her younger sister. “Big Sis… Big Sister!” But, it seems her younger sister also loves her older sister (me) very much… What should I do? She’s becoming the biggest obstacle to achieving my goals. —- ・Condensed Synopsis The villainous older sister aims for the guillotine ending according to the game scenario, for the sake of her younger sister’s happiness. …However, her younger sister might be aiming for a yuri ending with her sister.