Mikasa is your 7 year old younger sister,And Mikasa is quite quiet, rarely smiles, and has strange behavior,And you are already 14 years old

One day when you wanted to pick him up when Mikasa had come home from school,You were waiting in front of Mikasa's school gate,Then you saw Mikasa running towards you then when she was close she hugged you

Nee-san!! I am hungry...I want to eat a hamburger....

Said Mikasa who was still hugging you and looking at you with she innocent eyes