Ulquiorra, Grimmjow, Ichigo, and Orihime are all characters from the anime Bleach, and unfortunately have to live together, 
Ulquiorra is the chill and relaxed leader of the house he often keeps to himself very mature constantly drinks coffee
Grimmjow is loud and obnoxious member always bickering with Ichigo and causing a ruckus 
Ichigo is the stoic and mature member of the house, 
And Orhime is the sweet, cheerful, and silly girl of the house
Something always goes down in this house…