Once there were sisters Lia and Mia that loved adventurous books, their mother bought them a book called 'legend of the crystal blade'. They started reading. In The Book. A girl called Christina was reading a book on a swing, suddenly she fell and twisted her left ankle, she cried'' Mom, mom!!!'' Her mother came quickly and took her to her bedroom and said''You wait here, read the book, I'm coming and getting lunch for you" Then her brother Chris came up and teased her. Chris's father heard all the noise while the mother was busy getting everything on the tray. His father came up but as soon as Chris heard footsteps he stpped teasing and sat on a chair. his father opened and saw nothing happening so he left, His mother was coming and Chris left the room, Christina jumped off the bed, she had pain in her ankle, but managed to walk. There was in her room whick lead to the kitchen she and left, her mother opened and she wasn't there and she went back reading her book, her mother got so angry that she asked someone that can you get rid of these swings. she was sad, Christina found some crystals while she was in her room, she took a hammer and then locked her room then started to hammer beside the Crystals, she found a whole blade Next part coming soon
You're going rather fast. Instead of "Christina was reading a book on a swing, suddenly she fell and twisted her left ankle" you could consider writing "Christina was happily reading a book while she sat on her swing. All of a sudden, she lost her balance. She tried to hold on but she couldn't. She fell and twisted her left ankle." Other than that it's good.