After a hard knock to the head, Catarina Claes regains all of her memories from her previous life as a modern-day high schooler and realizes that she is now the selfish, haughty villainess character from an otome game that she was obsessed with. She immediately takes action in hopes of avoiding the destruction flags that doomed her character in the game: exile in the best case scenario and death in the worst.
This is Keith. He's going to 
be your brother from now on.
.من اليوم فصاعدًا، سيكون كيث أخاك غير الشقيق
Das ist Keith. Ab heute ist
er dein jüngerer Bruder.
Te presento a Keith,
será tu hermano a partir de hoy.
Te presento a Keith,
será tu hermano a partir de hoy.
Voici Keith.
Désormais, ce sera ton beau-frère.
Questo è Keith. Da oggi, sarà tuo fratello.
Este é o Keith. A partir de hoje,
ele será o seu irmão mais novo.
Отныне у тебя
 будет младший брат — Кит.