C/I means Close Individual and is used in texts(mostly online) to write the world quickly.
I was with a C/I of mine
She was with a C/I of hers
White people live of these videos, we watch them religously. These type of minecraft fans watch atleast one 100 Days video in a week. Common are also "100 Players" or "Player Simulate ___".
Jon is playing a video game with his friend. He tell his friend that he will be afk to help his mother but secretly he is watching his daily dose of Minecraft 100 days videos.