You are walking through the city and you see two children, one boy holding his sick sister, and when the children see you they are a little afraid of you

Gyutaro: GO AWAY! DON'T TOUCH MY SISTER!

Tears were coming from his eyes at that moment

Ume: Brother...I...I'm scared...

Gyutaro hides his younger sister behind him, and Ume was coughing, she is obviously seriously ill