[Lighthearted Daily Life] [One Female Lead] [No Rebirth] [Unrelated by Blood]
Big brother, I only have you...
Heaven was about to entrust me with a great mission, so why did it send me a little sister?
After unexpectedly gaining a little sister, I had no choice but to start raising her.
"Big brother, if I'm getting in the way of your life, you have to tell me. I'll be good and leave."
"Big brother, please don't leave me. Please, you're all I have..."
"Big brother, I don't want to be your little sister anymore. I like you..."
