Living with a Sick Sister

[Daily + Single Female Protagonist + No Harem + Favorite Sister + Brother Control + Light Novel + Slow Pace] Xu Ling has been away from her parents for treatment due to a congenital disease. However, her parents suddenly passed away unexpectedly, so the responsibility of taking care of her sister fell on Xu Feng. What kind of sparks will happen between the brothers and sisters who live together again after ten years? "Brother, I tried to make a cake myself. Do you want to try it? Or... Do you want me to feed you?" "Brother, is this dress cute?" "Brother, who was that girl just now...?" "No matter what outsiders say, my brother will always be the first in my heart." "The place where my brother is is our home, and no one can separate us." The story of the two brothers and sisters officially begins